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authorbors[bot] <26634292+bors[bot]@users.noreply.github.com>2020-07-15 15:49:34 +0100
committerGitHub <[email protected]>2020-07-15 15:49:34 +0100
commit2a01fe7d99376053b97aba9105dc7d9cf0c0641d (patch)
treed5ce4f56e7f02d861a4cfc6731d93caa024d3698 /crates
parent57652fc9d439de1315f78fb6aba34e834cb7f727 (diff)
parent119e71d9ea6448c49f597af3e0afefa6bf0f12ac (diff)
Merge #5348
5348: Highlight punctuation as `HighlightTag::Operator` r=matklad a=ltentrup Fixes #4620 Co-authored-by: Leander Tentrup <[email protected]>
Diffstat (limited to 'crates')
-rw-r--r--crates/ra_ide/src/syntax_highlighting.rs1
-rw-r--r--crates/ra_ide/src/syntax_highlighting/tags.rs2
-rw-r--r--crates/ra_ide/test_data/highlight_doctest.html62
-rw-r--r--crates/ra_ide/test_data/highlight_injection.html20
-rw-r--r--crates/ra_ide/test_data/highlight_strings.html104
-rw-r--r--crates/ra_ide/test_data/highlight_unsafe.html28
-rw-r--r--crates/ra_ide/test_data/highlighting.html160
-rw-r--r--crates/ra_ide/test_data/rainbow_highlighting.html20
-rw-r--r--crates/rust-analyzer/src/semantic_tokens.rs1
-rw-r--r--crates/rust-analyzer/src/to_proto.rs1
10 files changed, 202 insertions, 197 deletions
diff --git a/crates/ra_ide/src/syntax_highlighting.rs b/crates/ra_ide/src/syntax_highlighting.rs
index b3236e821..6ac44c2c0 100644
--- a/crates/ra_ide/src/syntax_highlighting.rs
+++ b/crates/ra_ide/src/syntax_highlighting.rs
@@ -553,6 +553,7 @@ fn highlight_element(
553 T![!] if element.parent().and_then(ast::MacroCall::cast).is_some() => { 553 T![!] if element.parent().and_then(ast::MacroCall::cast).is_some() => {
554 Highlight::new(HighlightTag::Macro) 554 Highlight::new(HighlightTag::Macro)
555 } 555 }
556 p if p.is_punct() => HighlightTag::Punctuation.into(),
556 557
557 k if k.is_keyword() => { 558 k if k.is_keyword() => {
558 let h = Highlight::new(HighlightTag::Keyword); 559 let h = Highlight::new(HighlightTag::Keyword);
diff --git a/crates/ra_ide/src/syntax_highlighting/tags.rs b/crates/ra_ide/src/syntax_highlighting/tags.rs
index 719c6ed3c..49ec94bdc 100644
--- a/crates/ra_ide/src/syntax_highlighting/tags.rs
+++ b/crates/ra_ide/src/syntax_highlighting/tags.rs
@@ -32,6 +32,7 @@ pub enum HighlightTag {
32 Macro, 32 Macro,
33 Module, 33 Module,
34 NumericLiteral, 34 NumericLiteral,
35 Punctuation,
35 SelfKeyword, 36 SelfKeyword,
36 SelfType, 37 SelfType,
37 Static, 38 Static,
@@ -83,6 +84,7 @@ impl HighlightTag {
83 HighlightTag::Generic => "generic", 84 HighlightTag::Generic => "generic",
84 HighlightTag::Keyword => "keyword", 85 HighlightTag::Keyword => "keyword",
85 HighlightTag::Lifetime => "lifetime", 86 HighlightTag::Lifetime => "lifetime",
87 HighlightTag::Punctuation => "punctuation",
86 HighlightTag::Macro => "macro", 88 HighlightTag::Macro => "macro",
87 HighlightTag::Module => "module", 89 HighlightTag::Module => "module",
88 HighlightTag::NumericLiteral => "numeric_literal", 90 HighlightTag::NumericLiteral => "numeric_literal",
diff --git a/crates/ra_ide/test_data/highlight_doctest.html b/crates/ra_ide/test_data/highlight_doctest.html
index a77fabb68..1cc17d6d0 100644
--- a/crates/ra_ide/test_data/highlight_doctest.html
+++ b/crates/ra_ide/test_data/highlight_doctest.html
@@ -36,67 +36,67 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
36.unresolved_reference { color: #FC5555; text-decoration: wavy underline; } 36.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
37</style> 37</style>
38<pre><code><span class="comment documentation">/// ```</span> 38<pre><code><span class="comment documentation">/// ```</span>
39<span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> _ = </span><span class="string_literal injected">"early doctests should not go boom"</span><span class="generic injected">;</span> 39<span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="punctuation injected">_</span><span class="generic injected"> </span><span class="punctuation injected">=</span><span class="generic injected"> </span><span class="string_literal injected">"early doctests should not go boom"</span><span class="punctuation injected">;</span><span class="punctuation injected">
40<span class="comment documentation">/// ```</span> 40</span><span class="comment documentation">/// ```</span>
41<span class="keyword">struct</span> <span class="struct declaration">Foo</span> { 41<span class="keyword">struct</span> <span class="struct declaration">Foo</span> <span class="punctuation">{</span>
42 <span class="field declaration">bar</span>: <span class="builtin_type">bool</span>, 42 <span class="field declaration">bar</span><span class="punctuation">:</span> <span class="builtin_type">bool</span><span class="punctuation">,</span>
43} 43<span class="punctuation">}</span>
44 44
45<span class="keyword">impl</span> <span class="struct">Foo</span> { 45<span class="keyword">impl</span> <span class="struct">Foo</span> <span class="punctuation">{</span>
46 <span class="keyword">pub</span> <span class="keyword">const</span> <span class="constant declaration">bar</span>: <span class="builtin_type">bool</span> = <span class="bool_literal">true</span>; 46 <span class="keyword">pub</span> <span class="keyword">const</span> <span class="constant declaration">bar</span><span class="punctuation">:</span> <span class="builtin_type">bool</span> <span class="punctuation">=</span> <span class="bool_literal">true</span><span class="punctuation">;</span>
47 47
48 <span class="comment documentation">/// Constructs a new `Foo`.</span> 48 <span class="comment documentation">/// Constructs a new `Foo`.</span>
49 <span class="comment documentation">///</span> 49 <span class="comment documentation">///</span>
50 <span class="comment documentation">/// # Examples</span> 50 <span class="comment documentation">/// # Examples</span>
51 <span class="comment documentation">///</span> 51 <span class="comment documentation">///</span>
52 <span class="comment documentation">/// ```</span> 52 <span class="comment documentation">/// ```</span>
53 <span class="comment documentation">/// #</span><span class="generic injected"> </span><span class="attribute injected">#![</span><span class="function attribute injected">allow</span><span class="attribute injected">(unused_mut)]</span> 53 <span class="comment documentation">/// #</span><span class="generic injected"> </span><span class="punctuation injected">#</span><span class="punctuation injected">!</span><span class="punctuation injected">[</span><span class="function attribute injected">allow</span><span class="punctuation injected">(</span><span class="attribute injected">unused_mut</span><span class="punctuation injected">)</span><span class="punctuation injected">]</span>
54 <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="keyword injected">mut</span><span class="generic injected"> </span><span class="variable declaration injected mutable">foo</span><span class="generic injected">: </span><span class="struct injected">Foo</span><span class="generic injected"> = </span><span class="struct injected">Foo</span><span class="generic injected">::</span><span class="function injected">new</span><span class="generic injected">();</span> 54 <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="keyword injected">mut</span><span class="generic injected"> </span><span class="variable declaration injected mutable">foo</span><span class="punctuation injected">:</span><span class="generic injected"> </span><span class="struct injected">Foo</span><span class="generic injected"> </span><span class="punctuation injected">=</span><span class="generic injected"> </span><span class="struct injected">Foo</span><span class="punctuation injected">::</span><span class="function injected">new</span><span class="punctuation injected">(</span><span class="punctuation injected">)</span><span class="punctuation injected">;</span><span class="punctuation injected">
55 <span class="comment documentation">/// ```</span> 55</span> <span class="comment documentation">/// ```</span>
56 <span class="keyword">pub</span> <span class="keyword">const</span> <span class="keyword">fn</span> <span class="function declaration">new</span>() -&gt; <span class="struct">Foo</span> { 56 <span class="keyword">pub</span> <span class="keyword">const</span> <span class="keyword">fn</span> <span class="function declaration">new</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">-&gt;</span> <span class="struct">Foo</span> <span class="punctuation">{</span>
57 <span class="struct">Foo</span> { <span class="field">bar</span>: <span class="bool_literal">true</span> } 57 <span class="struct">Foo</span> <span class="punctuation">{</span> <span class="field">bar</span><span class="punctuation">:</span> <span class="bool_literal">true</span> <span class="punctuation">}</span>
58 } 58 <span class="punctuation">}</span>
59 59
60 <span class="comment documentation">/// `bar` method on `Foo`.</span> 60 <span class="comment documentation">/// `bar` method on `Foo`.</span>
61 <span class="comment documentation">///</span> 61 <span class="comment documentation">///</span>
62 <span class="comment documentation">/// # Examples</span> 62 <span class="comment documentation">/// # Examples</span>
63 <span class="comment documentation">///</span> 63 <span class="comment documentation">///</span>
64 <span class="comment documentation">/// ```</span> 64 <span class="comment documentation">/// ```</span>
65 <span class="comment documentation">/// </span><span class="keyword injected">use</span><span class="generic injected"> </span><span class="module injected">x</span><span class="generic injected">::</span><span class="module injected">y</span><span class="generic injected">;</span> 65 <span class="comment documentation">/// </span><span class="keyword injected">use</span><span class="generic injected"> </span><span class="module injected">x</span><span class="punctuation injected">::</span><span class="module injected">y</span><span class="punctuation injected">;</span>
66 <span class="comment documentation">///</span> 66 <span class="comment documentation">///</span>
67 <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="variable declaration injected">foo</span><span class="generic injected"> = </span><span class="struct injected">Foo</span><span class="generic injected">::</span><span class="function injected">new</span><span class="generic injected">();</span> 67 <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="variable declaration injected">foo</span><span class="generic injected"> </span><span class="punctuation injected">=</span><span class="generic injected"> </span><span class="struct injected">Foo</span><span class="punctuation injected">::</span><span class="function injected">new</span><span class="punctuation injected">(</span><span class="punctuation injected">)</span><span class="punctuation injected">;</span>
68 <span class="comment documentation">///</span> 68 <span class="comment documentation">///</span>
69 <span class="comment documentation">/// </span><span class="comment injected">// calls bar on foo</span> 69 <span class="comment documentation">/// </span><span class="comment injected">// calls bar on foo</span>
70 <span class="comment documentation">/// </span><span class="macro injected">assert!</span><span class="generic injected">(foo.bar());</span> 70 <span class="comment documentation">/// </span><span class="macro injected">assert!</span><span class="punctuation injected">(</span><span class="generic injected">foo</span><span class="punctuation injected">.</span><span class="generic injected">bar</span><span class="punctuation injected">(</span><span class="punctuation injected">)</span><span class="punctuation injected">)</span><span class="punctuation injected">;</span>
71 <span class="comment documentation">///</span> 71 <span class="comment documentation">///</span>
72 <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="variable declaration injected">bar</span><span class="generic injected"> = </span><span class="variable injected">foo</span><span class="generic injected">.</span><span class="field injected">bar</span><span class="generic injected"> || </span><span class="struct injected">Foo</span><span class="generic injected">::</span><span class="constant injected">bar</span><span class="generic injected">;</span> 72 <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="variable declaration injected">bar</span><span class="generic injected"> </span><span class="punctuation injected">=</span><span class="generic injected"> </span><span class="variable injected">foo</span><span class="punctuation injected">.</span><span class="field injected">bar</span><span class="generic injected"> </span><span class="punctuation injected">||</span><span class="generic injected"> </span><span class="struct injected">Foo</span><span class="punctuation injected">::</span><span class="constant injected">bar</span><span class="punctuation injected">;</span>
73 <span class="comment documentation">///</span> 73 <span class="comment documentation">///</span>
74 <span class="comment documentation">/// </span><span class="comment injected">/* multi-line 74 <span class="comment documentation">/// </span><span class="comment injected">/* multi-line
75 </span><span class="comment documentation">/// </span><span class="comment injected"> comment */</span> 75 </span><span class="comment documentation">/// </span><span class="comment injected"> comment */</span>
76 <span class="comment documentation">///</span> 76 <span class="comment documentation">///</span>
77 <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="variable declaration injected">multi_line_string</span><span class="generic injected"> = </span><span class="string_literal injected">"Foo 77 <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="variable declaration injected">multi_line_string</span><span class="generic injected"> </span><span class="punctuation injected">=</span><span class="generic injected"> </span><span class="string_literal injected">"Foo
78 </span><span class="comment documentation">/// </span><span class="string_literal injected"> bar 78 </span><span class="comment documentation">/// </span><span class="string_literal injected"> bar
79 </span><span class="comment documentation">/// </span><span class="string_literal injected"> "</span><span class="generic injected">;</span> 79 </span><span class="comment documentation">/// </span><span class="string_literal injected"> "</span><span class="punctuation injected">;</span>
80 <span class="comment documentation">///</span> 80 <span class="comment documentation">///</span>
81 <span class="comment documentation">/// ```</span> 81 <span class="comment documentation">/// ```</span>
82 <span class="comment documentation">///</span> 82 <span class="comment documentation">///</span>
83 <span class="comment documentation">/// ```rust,no_run</span> 83 <span class="comment documentation">/// ```rust,no_run</span>
84 <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="variable declaration injected">foobar</span><span class="generic injected"> = </span><span class="struct injected">Foo</span><span class="generic injected">::</span><span class="function injected">new</span><span class="generic injected">().</span><span class="function injected">bar</span><span class="generic injected">();</span> 84 <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="variable declaration injected">foobar</span><span class="generic injected"> </span><span class="punctuation injected">=</span><span class="generic injected"> </span><span class="struct injected">Foo</span><span class="punctuation injected">::</span><span class="function injected">new</span><span class="punctuation injected">(</span><span class="punctuation injected">)</span><span class="punctuation injected">.</span><span class="function injected">bar</span><span class="punctuation injected">(</span><span class="punctuation injected">)</span><span class="punctuation injected">;</span><span class="punctuation injected">
85 <span class="comment documentation">/// ```</span> 85</span> <span class="comment documentation">/// ```</span>
86 <span class="comment documentation">///</span> 86 <span class="comment documentation">///</span>
87 <span class="comment documentation">/// ```sh</span> 87 <span class="comment documentation">/// ```sh</span>
88 <span class="comment documentation">/// echo 1</span> 88 <span class="comment documentation">/// echo 1</span>
89 <span class="comment documentation">/// ```</span> 89 <span class="comment documentation">/// ```</span>
90 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration">foo</span>(&<span class="self_keyword">self</span>) -&gt; <span class="builtin_type">bool</span> { 90 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration">foo</span><span class="punctuation">(</span><span class="punctuation">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="punctuation">-&gt;</span> <span class="builtin_type">bool</span> <span class="punctuation">{</span>
91 <span class="bool_literal">true</span> 91 <span class="bool_literal">true</span>
92 } 92 <span class="punctuation">}</span>
93} 93<span class="punctuation">}</span>
94 94
95<span class="comment documentation">/// ```</span> 95<span class="comment documentation">/// ```</span>
96<span class="comment documentation">/// </span><span class="macro injected">noop!</span><span class="generic injected">(</span><span class="numeric_literal injected">1</span><span class="generic injected">);</span> 96<span class="comment documentation">/// </span><span class="macro injected">noop!</span><span class="punctuation injected">(</span><span class="numeric_literal injected">1</span><span class="punctuation injected">)</span><span class="punctuation injected">;</span><span class="punctuation injected">
97<span class="comment documentation">/// ```</span> 97</span><span class="comment documentation">/// ```</span>
98<span class="macro">macro_rules!</span> <span class="macro declaration">noop</span> { 98<span class="macro">macro_rules!</span> <span class="macro declaration">noop</span> <span class="punctuation">{</span>
99 ($expr:expr) =&gt; { 99 <span class="punctuation">(</span><span class="punctuation">$</span>expr<span class="punctuation">:</span>expr<span class="punctuation">)</span> <span class="punctuation">=</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span>
100 $expr 100 <span class="punctuation">$</span>expr
101 } 101 <span class="punctuation">}</span>
102}</code></pre> \ No newline at end of file 102<span class="punctuation">}</span></code></pre> \ No newline at end of file
diff --git a/crates/ra_ide/test_data/highlight_injection.html b/crates/ra_ide/test_data/highlight_injection.html
index e15234936..461cfc437 100644
--- a/crates/ra_ide/test_data/highlight_injection.html
+++ b/crates/ra_ide/test_data/highlight_injection.html
@@ -35,14 +35,14 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
35 35
36.unresolved_reference { color: #FC5555; text-decoration: wavy underline; } 36.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
37</style> 37</style>
38<pre><code><span class="keyword">fn</span> <span class="function declaration">fixture</span>(<span class="value_param declaration">ra_fixture</span>: &<span class="builtin_type">str</span>) {} 38<pre><code><span class="keyword">fn</span> <span class="function declaration">fixture</span><span class="punctuation">(</span><span class="value_param declaration">ra_fixture</span><span class="punctuation">:</span> <span class="punctuation">&</span><span class="builtin_type">str</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
39 39
40<span class="keyword">fn</span> <span class="function declaration">main</span>() { 40<span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
41 <span class="function">fixture</span>(<span class="string_literal">r#"</span> 41 <span class="function">fixture</span><span class="punctuation">(</span><span class="string_literal">r#"</span>
42 <span class="keyword">trait</span> <span class="trait declaration">Foo</span> { 42 <span class="keyword">trait</span> <span class="trait declaration">Foo</span> <span class="punctuation">{</span>
43 <span class="keyword">fn</span> <span class="function declaration">foo</span>() { 43 <span class="keyword">fn</span> <span class="function declaration">foo</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
44 <span class="macro">println!</span>(<span class="string_literal">"2 + 2 = {}"</span>, <span class="numeric_literal">4</span>); 44 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"2 + 2 = {}"</span><span class="punctuation">,</span> <span class="numeric_literal">4</span><span class="punctuation">)</span><span class="punctuation">;</span>
45 } 45 <span class="punctuation">}</span>
46 }<span class="string_literal">"#</span> 46 <span class="punctuation">}</span><span class="string_literal">"#</span>
47 ); 47 <span class="punctuation">)</span><span class="punctuation">;</span>
48}</code></pre> \ No newline at end of file 48<span class="punctuation">}</span></code></pre> \ No newline at end of file
diff --git a/crates/ra_ide/test_data/highlight_strings.html b/crates/ra_ide/test_data/highlight_strings.html
index 423813366..9f98e73e7 100644
--- a/crates/ra_ide/test_data/highlight_strings.html
+++ b/crates/ra_ide/test_data/highlight_strings.html
@@ -35,62 +35,62 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
35 35
36.unresolved_reference { color: #FC5555; text-decoration: wavy underline; } 36.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
37</style> 37</style>
38<pre><code><span class="macro">macro_rules!</span> <span class="macro declaration">println</span> { 38<pre><code><span class="macro">macro_rules!</span> <span class="macro declaration">println</span> <span class="punctuation">{</span>
39 ($($arg:tt)*) =&gt; ({ 39 <span class="punctuation">(</span><span class="punctuation">$</span><span class="punctuation">(</span><span class="punctuation">$</span>arg<span class="punctuation">:</span>tt<span class="punctuation">)</span>*<span class="punctuation">)</span> <span class="punctuation">=</span><span class="punctuation">&gt;</span> <span class="punctuation">(</span><span class="punctuation">{</span>
40 $<span class="keyword">crate</span>::io::_print($<span class="keyword">crate</span>::format_args_nl!($($arg)*)); 40 <span class="punctuation">$</span><span class="keyword">crate</span><span class="punctuation">:</span><span class="punctuation">:</span>io<span class="punctuation">:</span><span class="punctuation">:</span>_print<span class="punctuation">(</span><span class="punctuation">$</span><span class="keyword">crate</span><span class="punctuation">:</span><span class="punctuation">:</span>format_args_nl<span class="punctuation">!</span><span class="punctuation">(</span><span class="punctuation">$</span><span class="punctuation">(</span><span class="punctuation">$</span>arg<span class="punctuation">)</span>*<span class="punctuation">)</span><span class="punctuation">)</span><span class="punctuation">;</span>
41 }) 41 <span class="punctuation">}</span><span class="punctuation">)</span>
42} 42<span class="punctuation">}</span>
43#[rustc_builtin_macro] 43#[rustc_builtin_macro]
44<span class="macro">macro_rules!</span> <span class="macro declaration">format_args_nl</span> { 44<span class="macro">macro_rules!</span> <span class="macro declaration">format_args_nl</span> <span class="punctuation">{</span>
45 ($fmt:expr) =&gt; {{ <span class="comment">/* compiler built-in */</span> }}; 45 <span class="punctuation">(</span><span class="punctuation">$</span>fmt<span class="punctuation">:</span>expr<span class="punctuation">)</span> <span class="punctuation">=</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span><span class="punctuation">{</span> <span class="comment">/* compiler built-in */</span> <span class="punctuation">}</span><span class="punctuation">}</span><span class="punctuation">;</span>
46 ($fmt:expr, $($args:tt)*) =&gt; {{ <span class="comment">/* compiler built-in */</span> }}; 46 <span class="punctuation">(</span><span class="punctuation">$</span>fmt<span class="punctuation">:</span>expr<span class="punctuation">,</span> <span class="punctuation">$</span><span class="punctuation">(</span><span class="punctuation">$</span>args<span class="punctuation">:</span>tt<span class="punctuation">)</span>*<span class="punctuation">)</span> <span class="punctuation">=</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span><span class="punctuation">{</span> <span class="comment">/* compiler built-in */</span> <span class="punctuation">}</span><span class="punctuation">}</span><span class="punctuation">;</span>
47} 47<span class="punctuation">}</span>
48 48
49<span class="keyword">fn</span> <span class="function declaration">main</span>() { 49<span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
50 <span class="comment">// from https://doc.rust-lang.org/std/fmt/index.html</span> 50 <span class="comment">// from https://doc.rust-lang.org/std/fmt/index.html</span>
51 <span class="macro">println!</span>(<span class="string_literal">"Hello"</span>); <span class="comment">// =&gt; "Hello"</span> 51 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello"</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "Hello"</span>
52 <span class="macro">println!</span>(<span class="string_literal">"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">!"</span>, <span class="string_literal">"world"</span>); <span class="comment">// =&gt; "Hello, world!"</span> 52 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"world"</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "Hello, world!"</span>
53 <span class="macro">println!</span>(<span class="string_literal">"The number is </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span>, <span class="numeric_literal">1</span>); <span class="comment">// =&gt; "The number is 1"</span> 53 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"The number is </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="numeric_literal">1</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "The number is 1"</span>
54 <span class="macro">println!</span>(<span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">?</span><span class="format_specifier">}</span><span class="string_literal">"</span>, (<span class="numeric_literal">3</span>, <span class="numeric_literal">4</span>)); <span class="comment">// =&gt; "(3, 4)"</span> 54 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">?</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="punctuation">(</span><span class="numeric_literal">3</span><span class="punctuation">,</span> <span class="numeric_literal">4</span><span class="punctuation">)</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "(3, 4)"</span>
55 <span class="macro">println!</span>(<span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">value</span><span class="format_specifier">}</span><span class="string_literal">"</span>, value=<span class="numeric_literal">4</span>); <span class="comment">// =&gt; "4"</span> 55 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">value</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> value<span class="punctuation">=</span><span class="numeric_literal">4</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "4"</span>
56 <span class="macro">println!</span>(<span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span>, <span class="numeric_literal">1</span>, <span class="numeric_literal">2</span>); <span class="comment">// =&gt; "1 2"</span> 56 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="numeric_literal">1</span><span class="punctuation">,</span> <span class="numeric_literal">2</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "1 2"</span>
57 <span class="macro">println!</span>(<span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">4</span><span class="format_specifier">}</span><span class="string_literal">"</span>, <span class="numeric_literal">42</span>); <span class="comment">// =&gt; "0042" with leading zerosV</span> 57 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">4</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="numeric_literal">42</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "0042" with leading zerosV</span>
58 <span class="macro">println!</span>(<span class="string_literal">"</span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span>, <span class="numeric_literal">1</span>, <span class="numeric_literal">2</span>); <span class="comment">// =&gt; "2 1 1 2"</span> 58 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="numeric_literal">1</span><span class="punctuation">,</span> <span class="numeric_literal">2</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "2 1 1 2"</span>
59 <span class="macro">println!</span>(<span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">argument</span><span class="format_specifier">}</span><span class="string_literal">"</span>, argument = <span class="string_literal">"test"</span>); <span class="comment">// =&gt; "test"</span> 59 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">argument</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> argument <span class="punctuation">=</span> <span class="string_literal">"test"</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "test"</span>
60 <span class="macro">println!</span>(<span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span>, <span class="numeric_literal">1</span>, name = <span class="numeric_literal">2</span>); <span class="comment">// =&gt; "2 1"</span> 60 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="numeric_literal">1</span><span class="punctuation">,</span> name <span class="punctuation">=</span> <span class="numeric_literal">2</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "2 1"</span>
61 <span class="macro">println!</span>(<span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">a</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="variable">c</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="variable">b</span><span class="format_specifier">}</span><span class="string_literal">"</span>, a=<span class="string_literal">"a"</span>, b=<span class="char_literal">'b'</span>, c=<span class="numeric_literal">3</span>); <span class="comment">// =&gt; "a 3 b"</span> 61 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">a</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="variable">c</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="variable">b</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> a<span class="punctuation">=</span><span class="string_literal">"a"</span><span class="punctuation">,</span> b<span class="punctuation">=</span><span class="char_literal">'b'</span><span class="punctuation">,</span> c<span class="punctuation">=</span><span class="numeric_literal">3</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "a 3 b"</span>
62 <span class="macro">println!</span>(<span class="string_literal">"{{</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">}}"</span>, <span class="numeric_literal">2</span>); <span class="comment">// =&gt; "{2}"</span> 62 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"{{</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">}}"</span><span class="punctuation">,</span> <span class="numeric_literal">2</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "{2}"</span>
63 <span class="macro">println!</span>(<span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span>, <span class="string_literal">"x"</span>); 63 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
64 <span class="macro">println!</span>(<span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span>, <span class="string_literal">"x"</span>, <span class="numeric_literal">5</span>); 64 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">)</span><span class="punctuation">;</span>
65 <span class="macro">println!</span>(<span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span>, <span class="numeric_literal">5</span>, <span class="string_literal">"x"</span>); 65 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
66 <span class="macro">println!</span>(<span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="variable">width</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span>, <span class="string_literal">"x"</span>, width = <span class="numeric_literal">5</span>); 66 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="variable">width</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> width <span class="punctuation">=</span> <span class="numeric_literal">5</span><span class="punctuation">)</span><span class="punctuation">;</span>
67 <span class="macro">println!</span>(<span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">&lt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span>, <span class="string_literal">"x"</span>); 67 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">&lt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
68 <span class="macro">println!</span>(<span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">-</span><span class="format_specifier">&lt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span>, <span class="string_literal">"x"</span>); 68 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">-</span><span class="format_specifier">&lt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
69 <span class="macro">println!</span>(<span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">^</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span>, <span class="string_literal">"x"</span>); 69 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">^</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
70 <span class="macro">println!</span>(<span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">&gt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span>, <span class="string_literal">"x"</span>); 70 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">&gt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
71 <span class="macro">println!</span>(<span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">+</span><span class="format_specifier">}</span><span class="string_literal">!"</span>, <span class="numeric_literal">5</span>); 71 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">+</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">)</span><span class="punctuation">;</span>
72 <span class="macro">println!</span>(<span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">#</span><span class="variable">x</span><span class="format_specifier">}</span><span class="string_literal">!"</span>, <span class="numeric_literal">27</span>); 72 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">#</span><span class="variable">x</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="numeric_literal">27</span><span class="punctuation">)</span><span class="punctuation">;</span>
73 <span class="macro">println!</span>(<span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span>, <span class="numeric_literal">5</span>); 73 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">)</span><span class="punctuation">;</span>
74 <span class="macro">println!</span>(<span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span>, -<span class="numeric_literal">5</span>); 74 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="punctuation">-</span><span class="numeric_literal">5</span><span class="punctuation">)</span><span class="punctuation">;</span>
75 <span class="macro">println!</span>(<span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">#</span><span class="numeric_literal">0</span><span class="numeric_literal">10</span><span class="variable">x</span><span class="format_specifier">}</span><span class="string_literal">!"</span>, <span class="numeric_literal">27</span>); 75 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">#</span><span class="numeric_literal">0</span><span class="numeric_literal">10</span><span class="variable">x</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="numeric_literal">27</span><span class="punctuation">)</span><span class="punctuation">;</span>
76 <span class="macro">println!</span>(<span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">"</span>, <span class="string_literal">"x"</span>, <span class="numeric_literal">0.01</span>); 76 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
77 <span class="macro">println!</span>(<span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span>, <span class="numeric_literal">5</span>, <span class="string_literal">"x"</span>, <span class="numeric_literal">0.01</span>); 77 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
78 <span class="macro">println!</span>(<span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span>, <span class="string_literal">"x"</span>, <span class="numeric_literal">5</span>, <span class="numeric_literal">0.01</span>); 78 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
79 <span class="macro">println!</span>(<span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">"</span>, <span class="string_literal">"x"</span>, <span class="numeric_literal">5</span>, <span class="numeric_literal">0.01</span>); 79 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
80 <span class="macro">println!</span>(<span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">"</span>, <span class="string_literal">"x"</span>, <span class="numeric_literal">5</span>, <span class="numeric_literal">0.01</span>); 80 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
81 <span class="macro">println!</span>(<span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="variable">number</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="variable">prec</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span>, <span class="string_literal">"x"</span>, prec = <span class="numeric_literal">5</span>, number = <span class="numeric_literal">0.01</span>); 81 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="variable">number</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="variable">prec</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> prec <span class="punctuation">=</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> number <span class="punctuation">=</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
82 <span class="macro">println!</span>(<span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 fractional digits"</span>, <span class="string_literal">"Hello"</span>, <span class="numeric_literal">3</span>, name=<span class="numeric_literal">1234.56</span>); 82 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 fractional digits"</span><span class="punctuation">,</span> <span class="string_literal">"Hello"</span><span class="punctuation">,</span> <span class="numeric_literal">3</span><span class="punctuation">,</span> name<span class="punctuation">=</span><span class="numeric_literal">1234.56</span><span class="punctuation">)</span><span class="punctuation">;</span>
83 <span class="macro">println!</span>(<span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 characters"</span>, <span class="string_literal">"Hello"</span>, <span class="numeric_literal">3</span>, name=<span class="string_literal">"1234.56"</span>); 83 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 characters"</span><span class="punctuation">,</span> <span class="string_literal">"Hello"</span><span class="punctuation">,</span> <span class="numeric_literal">3</span><span class="punctuation">,</span> name<span class="punctuation">=</span><span class="string_literal">"1234.56"</span><span class="punctuation">)</span><span class="punctuation">;</span>
84 <span class="macro">println!</span>(<span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">&gt;</span><span class="numeric_literal">8</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 right-aligned characters"</span>, <span class="string_literal">"Hello"</span>, <span class="numeric_literal">3</span>, name=<span class="string_literal">"1234.56"</span>); 84 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">&gt;</span><span class="numeric_literal">8</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 right-aligned characters"</span><span class="punctuation">,</span> <span class="string_literal">"Hello"</span><span class="punctuation">,</span> <span class="numeric_literal">3</span><span class="punctuation">,</span> name<span class="punctuation">=</span><span class="string_literal">"1234.56"</span><span class="punctuation">)</span><span class="punctuation">;</span>
85 <span class="macro">println!</span>(<span class="string_literal">"Hello {{}}"</span>); 85 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello {{}}"</span><span class="punctuation">)</span><span class="punctuation">;</span>
86 <span class="macro">println!</span>(<span class="string_literal">"{{ Hello"</span>); 86 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"{{ Hello"</span><span class="punctuation">)</span><span class="punctuation">;</span>
87 87
88 <span class="macro">println!</span>(<span class="string_literal">r"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">!"</span>, <span class="string_literal">"world"</span>); 88 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">r"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"world"</span><span class="punctuation">)</span><span class="punctuation">;</span>
89 89
90 <span class="comment">// escape sequences</span> 90 <span class="comment">// escape sequences</span>
91 <span class="macro">println!</span>(<span class="string_literal">"Hello</span><span class="escape_sequence">\n</span><span class="string_literal">World"</span>); 91 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello</span><span class="escape_sequence">\n</span><span class="string_literal">World"</span><span class="punctuation">)</span><span class="punctuation">;</span>
92 <span class="macro">println!</span>(<span class="string_literal">"</span><span class="escape_sequence">\u{48}</span><span class="escape_sequence">\x65</span><span class="escape_sequence">\x6C</span><span class="escape_sequence">\x6C</span><span class="escape_sequence">\x6F</span><span class="string_literal"> World"</span>); 92 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="escape_sequence">\u{48}</span><span class="escape_sequence">\x65</span><span class="escape_sequence">\x6C</span><span class="escape_sequence">\x6C</span><span class="escape_sequence">\x6F</span><span class="string_literal"> World"</span><span class="punctuation">)</span><span class="punctuation">;</span>
93 93
94 <span class="macro">println!</span>(<span class="string_literal">"</span><span class="format_specifier">{</span><span class="escape_sequence">\x41</span><span class="format_specifier">}</span><span class="string_literal">"</span>, A = <span class="numeric_literal">92</span>); 94 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="escape_sequence">\x41</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> A <span class="punctuation">=</span> <span class="numeric_literal">92</span><span class="punctuation">)</span><span class="punctuation">;</span>
95 <span class="macro">println!</span>(<span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">ничоси</span><span class="format_specifier">}</span><span class="string_literal">"</span>, ничоси = <span class="numeric_literal">92</span>); 95 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">ничоси</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> ничоси <span class="punctuation">=</span> <span class="numeric_literal">92</span><span class="punctuation">)</span><span class="punctuation">;</span>
96}</code></pre> \ No newline at end of file 96<span class="punctuation">}</span></code></pre> \ No newline at end of file
diff --git a/crates/ra_ide/test_data/highlight_unsafe.html b/crates/ra_ide/test_data/highlight_unsafe.html
index 7585fbb42..88ac91f9a 100644
--- a/crates/ra_ide/test_data/highlight_unsafe.html
+++ b/crates/ra_ide/test_data/highlight_unsafe.html
@@ -35,20 +35,20 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
35 35
36.unresolved_reference { color: #FC5555; text-decoration: wavy underline; } 36.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
37</style> 37</style>
38<pre><code><span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_fn</span>() {} 38<pre><code><span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_fn</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
39 39
40<span class="keyword">struct</span> <span class="struct declaration">HasUnsafeFn</span>; 40<span class="keyword">struct</span> <span class="struct declaration">HasUnsafeFn</span><span class="punctuation">;</span>
41 41
42<span class="keyword">impl</span> <span class="struct">HasUnsafeFn</span> { 42<span class="keyword">impl</span> <span class="struct">HasUnsafeFn</span> <span class="punctuation">{</span>
43 <span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_method</span>(&<span class="self_keyword">self</span>) {} 43 <span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_method</span><span class="punctuation">(</span><span class="punctuation">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
44} 44<span class="punctuation">}</span>
45 45
46<span class="keyword">fn</span> <span class="function declaration">main</span>() { 46<span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
47 <span class="keyword">let</span> <span class="variable declaration">x</span> = &<span class="numeric_literal">5</span> <span class="keyword">as</span> *<span class="keyword">const</span> <span class="builtin_type">usize</span>; 47 <span class="keyword">let</span> <span class="variable declaration">x</span> <span class="punctuation">=</span> <span class="punctuation">&</span><span class="numeric_literal">5</span> <span class="keyword">as</span> *<span class="keyword">const</span> <span class="builtin_type">usize</span><span class="punctuation">;</span>
48 <span class="keyword unsafe">unsafe</span> { 48 <span class="keyword unsafe">unsafe</span> <span class="punctuation">{</span>
49 <span class="function unsafe">unsafe_fn</span>(); 49 <span class="function unsafe">unsafe_fn</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
50 <span class="struct">HasUnsafeFn</span>.<span class="function unsafe">unsafe_method</span>(); 50 <span class="struct">HasUnsafeFn</span><span class="punctuation">.</span><span class="function unsafe">unsafe_method</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
51 <span class="keyword">let</span> <span class="variable declaration">y</span> = <span class="operator unsafe">*</span>(<span class="variable">x</span>); 51 <span class="keyword">let</span> <span class="variable declaration">y</span> <span class="punctuation">=</span> <span class="operator unsafe">*</span><span class="punctuation">(</span><span class="variable">x</span><span class="punctuation">)</span><span class="punctuation">;</span>
52 <span class="keyword">let</span> <span class="variable declaration">z</span> = -<span class="variable">x</span>; 52 <span class="keyword">let</span> <span class="variable declaration">z</span> <span class="punctuation">=</span> <span class="punctuation">-</span><span class="variable">x</span><span class="punctuation">;</span>
53 } 53 <span class="punctuation">}</span>
54}</code></pre> \ No newline at end of file 54<span class="punctuation">}</span></code></pre> \ No newline at end of file
diff --git a/crates/ra_ide/test_data/highlighting.html b/crates/ra_ide/test_data/highlighting.html
index 553811a2f..767e82f9d 100644
--- a/crates/ra_ide/test_data/highlighting.html
+++ b/crates/ra_ide/test_data/highlighting.html
@@ -35,94 +35,94 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
35 35
36.unresolved_reference { color: #FC5555; text-decoration: wavy underline; } 36.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
37</style> 37</style>
38<pre><code><span class="attribute">#[</span><span class="function attribute">derive</span><span class="attribute">(Clone, Debug)]</span> 38<pre><code><span class="punctuation">#</span><span class="punctuation">[</span><span class="function attribute">derive</span><span class="punctuation">(</span><span class="attribute">Clone</span><span class="punctuation">,</span><span class="attribute"> Debug</span><span class="punctuation">)</span><span class="punctuation">]</span>
39<span class="keyword">struct</span> <span class="struct declaration">Foo</span> { 39<span class="keyword">struct</span> <span class="struct declaration">Foo</span> <span class="punctuation">{</span>
40 <span class="keyword">pub</span> <span class="field declaration">x</span>: <span class="builtin_type">i32</span>, 40 <span class="keyword">pub</span> <span class="field declaration">x</span><span class="punctuation">:</span> <span class="builtin_type">i32</span><span class="punctuation">,</span>
41 <span class="keyword">pub</span> <span class="field declaration">y</span>: <span class="builtin_type">i32</span>, 41 <span class="keyword">pub</span> <span class="field declaration">y</span><span class="punctuation">:</span> <span class="builtin_type">i32</span><span class="punctuation">,</span>
42} 42<span class="punctuation">}</span>
43 43
44<span class="keyword">trait</span> <span class="trait declaration">Bar</span> { 44<span class="keyword">trait</span> <span class="trait declaration">Bar</span> <span class="punctuation">{</span>
45 <span class="keyword">fn</span> <span class="function declaration">bar</span>(&<span class="self_keyword">self</span>) -&gt; <span class="builtin_type">i32</span>; 45 <span class="keyword">fn</span> <span class="function declaration">bar</span><span class="punctuation">(</span><span class="punctuation">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="punctuation">-&gt;</span> <span class="builtin_type">i32</span><span class="punctuation">;</span>
46} 46<span class="punctuation">}</span>
47 47
48<span class="keyword">impl</span> <span class="trait">Bar</span> <span class="keyword">for</span> <span class="struct">Foo</span> { 48<span class="keyword">impl</span> <span class="trait">Bar</span> <span class="keyword">for</span> <span class="struct">Foo</span> <span class="punctuation">{</span>
49 <span class="keyword">fn</span> <span class="function declaration">bar</span>(&<span class="self_keyword">self</span>) -&gt; <span class="builtin_type">i32</span> { 49 <span class="keyword">fn</span> <span class="function declaration">bar</span><span class="punctuation">(</span><span class="punctuation">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="punctuation">-&gt;</span> <span class="builtin_type">i32</span> <span class="punctuation">{</span>
50 <span class="self_keyword">self</span>.<span class="field">x</span> 50 <span class="self_keyword">self</span><span class="punctuation">.</span><span class="field">x</span>
51 } 51 <span class="punctuation">}</span>
52} 52<span class="punctuation">}</span>
53 53
54<span class="keyword">impl</span> <span class="struct">Foo</span> { 54<span class="keyword">impl</span> <span class="struct">Foo</span> <span class="punctuation">{</span>
55 <span class="keyword">fn</span> <span class="function declaration">baz</span>(<span class="keyword">mut</span> <span class="self_keyword mutable">self</span>) -&gt; <span class="builtin_type">i32</span> { 55 <span class="keyword">fn</span> <span class="function declaration">baz</span><span class="punctuation">(</span><span class="keyword">mut</span> <span class="self_keyword mutable">self</span><span class="punctuation">)</span> <span class="punctuation">-&gt;</span> <span class="builtin_type">i32</span> <span class="punctuation">{</span>
56 <span class="self_keyword">self</span>.<span class="field">x</span> 56 <span class="self_keyword">self</span><span class="punctuation">.</span><span class="field">x</span>
57 } 57 <span class="punctuation">}</span>
58 58
59 <span class="keyword">fn</span> <span class="function declaration">qux</span>(&<span class="keyword">mut</span> <span class="self_keyword mutable">self</span>) { 59 <span class="keyword">fn</span> <span class="function declaration">qux</span><span class="punctuation">(</span><span class="punctuation">&</span><span class="keyword">mut</span> <span class="self_keyword mutable">self</span><span class="punctuation">)</span> <span class="punctuation">{</span>
60 <span class="self_keyword mutable">self</span>.<span class="field">x</span> = <span class="numeric_literal">0</span>; 60 <span class="self_keyword mutable">self</span><span class="punctuation">.</span><span class="field">x</span> <span class="punctuation">=</span> <span class="numeric_literal">0</span><span class="punctuation">;</span>
61 } 61 <span class="punctuation">}</span>
62} 62<span class="punctuation">}</span>
63 63
64<span class="keyword">static</span> <span class="keyword">mut</span> <span class="static declaration mutable">STATIC_MUT</span>: <span class="builtin_type">i32</span> = <span class="numeric_literal">0</span>; 64<span class="keyword">static</span> <span class="keyword">mut</span> <span class="static declaration mutable">STATIC_MUT</span><span class="punctuation">:</span> <span class="builtin_type">i32</span> <span class="punctuation">=</span> <span class="numeric_literal">0</span><span class="punctuation">;</span>
65 65
66<span class="keyword">fn</span> <span class="function declaration">foo</span>&lt;<span class="lifetime declaration">'a</span>, <span class="type_param declaration">T</span>&gt;() -&gt; <span class="type_param">T</span> { 66<span class="keyword">fn</span> <span class="function declaration">foo</span><span class="punctuation">&lt;</span><span class="lifetime declaration">'a</span><span class="punctuation">,</span> <span class="type_param declaration">T</span><span class="punctuation">&gt;</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">-&gt;</span> <span class="type_param">T</span> <span class="punctuation">{</span>
67 <span class="function">foo</span>::&lt;<span class="lifetime">'a</span>, <span class="builtin_type">i32</span>&gt;() 67 <span class="function">foo</span><span class="punctuation">::</span><span class="punctuation">&lt;</span><span class="lifetime">'a</span><span class="punctuation">,</span> <span class="builtin_type">i32</span><span class="punctuation">&gt;</span><span class="punctuation">(</span><span class="punctuation">)</span>
68} 68<span class="punctuation">}</span>
69 69
70<span class="macro">macro_rules!</span> <span class="macro declaration">def_fn</span> { 70<span class="macro">macro_rules!</span> <span class="macro declaration">def_fn</span> <span class="punctuation">{</span>
71 ($($tt:tt)*) =&gt; {$($tt)*} 71 <span class="punctuation">(</span><span class="punctuation">$</span><span class="punctuation">(</span><span class="punctuation">$</span>tt<span class="punctuation">:</span>tt<span class="punctuation">)</span>*<span class="punctuation">)</span> <span class="punctuation">=</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span><span class="punctuation">$</span><span class="punctuation">(</span><span class="punctuation">$</span>tt<span class="punctuation">)</span>*<span class="punctuation">}</span>
72} 72<span class="punctuation">}</span>
73 73
74<span class="macro">def_fn!</span> { 74<span class="macro">def_fn!</span> <span class="punctuation">{</span>
75 <span class="keyword">fn</span> <span class="function declaration">bar</span>() -&gt; <span class="builtin_type">u32</span> { 75 <span class="keyword">fn</span> <span class="function declaration">bar</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">-</span><span class="punctuation">&gt;</span> <span class="builtin_type">u32</span> <span class="punctuation">{</span>
76 <span class="numeric_literal">100</span> 76 <span class="numeric_literal">100</span>
77 } 77 <span class="punctuation">}</span>
78} 78<span class="punctuation">}</span>
79 79
80<span class="macro">macro_rules!</span> <span class="macro declaration">noop</span> { 80<span class="macro">macro_rules!</span> <span class="macro declaration">noop</span> <span class="punctuation">{</span>
81 ($expr:expr) =&gt; { 81 <span class="punctuation">(</span><span class="punctuation">$</span>expr<span class="punctuation">:</span>expr<span class="punctuation">)</span> <span class="punctuation">=</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span>
82 $expr 82 <span class="punctuation">$</span>expr
83 } 83 <span class="punctuation">}</span>
84} 84<span class="punctuation">}</span>
85 85
86<span class="comment">// comment</span> 86<span class="comment">// comment</span>
87<span class="keyword">fn</span> <span class="function declaration">main</span>() { 87<span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
88 <span class="macro">println!</span>(<span class="string_literal">"Hello, {}!"</span>, <span class="numeric_literal">92</span>); 88 <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello, {}!"</span><span class="punctuation">,</span> <span class="numeric_literal">92</span><span class="punctuation">)</span><span class="punctuation">;</span>
89 89
90 <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">vec</span> = <span class="unresolved_reference">Vec</span>::<span class="unresolved_reference">new</span>(); 90 <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">vec</span> <span class="punctuation">=</span> <span class="unresolved_reference">Vec</span><span class="punctuation">::</span><span class="unresolved_reference">new</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
91 <span class="keyword control">if</span> <span class="bool_literal">true</span> { 91 <span class="keyword control">if</span> <span class="bool_literal">true</span> <span class="punctuation">{</span>
92 <span class="keyword">let</span> <span class="variable declaration">x</span> = <span class="numeric_literal">92</span>; 92 <span class="keyword">let</span> <span class="variable declaration">x</span> <span class="punctuation">=</span> <span class="numeric_literal">92</span><span class="punctuation">;</span>
93 <span class="variable mutable">vec</span>.<span class="unresolved_reference">push</span>(<span class="struct">Foo</span> { <span class="field">x</span>, <span class="field">y</span>: <span class="numeric_literal">1</span> }); 93 <span class="variable mutable">vec</span><span class="punctuation">.</span><span class="unresolved_reference">push</span><span class="punctuation">(</span><span class="struct">Foo</span> <span class="punctuation">{</span> <span class="field">x</span><span class="punctuation">,</span> <span class="field">y</span><span class="punctuation">:</span> <span class="numeric_literal">1</span> <span class="punctuation">}</span><span class="punctuation">)</span><span class="punctuation">;</span>
94 } 94 <span class="punctuation">}</span>
95 <span class="keyword unsafe">unsafe</span> { 95 <span class="keyword unsafe">unsafe</span> <span class="punctuation">{</span>
96 <span class="variable mutable">vec</span>.<span class="unresolved_reference">set_len</span>(<span class="numeric_literal">0</span>); 96 <span class="variable mutable">vec</span><span class="punctuation">.</span><span class="unresolved_reference">set_len</span><span class="punctuation">(</span><span class="numeric_literal">0</span><span class="punctuation">)</span><span class="punctuation">;</span>
97 <span class="static mutable">STATIC_MUT</span> = <span class="numeric_literal">1</span>; 97 <span class="static mutable">STATIC_MUT</span> <span class="punctuation">=</span> <span class="numeric_literal">1</span><span class="punctuation">;</span>
98 } 98 <span class="punctuation">}</span>
99 99
100 <span class="keyword control">for</span> <span class="variable declaration">e</span> <span class="keyword control">in</span> <span class="variable mutable">vec</span> { 100 <span class="keyword control">for</span> <span class="variable declaration">e</span> <span class="keyword control">in</span> <span class="variable mutable">vec</span> <span class="punctuation">{</span>
101 <span class="comment">// Do nothing</span> 101 <span class="comment">// Do nothing</span>
102 } 102 <span class="punctuation">}</span>
103 103
104 <span class="macro">noop!</span>(<span class="macro">noop</span><span class="macro">!</span>(<span class="numeric_literal">1</span>)); 104 <span class="macro">noop!</span><span class="punctuation">(</span><span class="macro">noop</span><span class="macro">!</span><span class="punctuation">(</span><span class="numeric_literal">1</span><span class="punctuation">)</span><span class="punctuation">)</span><span class="punctuation">;</span>
105 105
106 <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">x</span> = <span class="numeric_literal">42</span>; 106 <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">x</span> <span class="punctuation">=</span> <span class="numeric_literal">42</span><span class="punctuation">;</span>
107 <span class="keyword">let</span> <span class="variable declaration mutable">y</span> = &<span class="keyword">mut</span> <span class="variable mutable">x</span>; 107 <span class="keyword">let</span> <span class="variable declaration mutable">y</span> <span class="punctuation">=</span> <span class="punctuation">&</span><span class="keyword">mut</span> <span class="variable mutable">x</span><span class="punctuation">;</span>
108 <span class="keyword">let</span> <span class="variable declaration">z</span> = &<span class="variable mutable">y</span>; 108 <span class="keyword">let</span> <span class="variable declaration">z</span> <span class="punctuation">=</span> <span class="punctuation">&</span><span class="variable mutable">y</span><span class="punctuation">;</span>
109 109
110 <span class="keyword">let</span> <span class="struct">Foo</span> { <span class="field">x</span>: <span class="variable declaration">z</span>, <span class="field">y</span> } = <span class="struct">Foo</span> { <span class="field">x</span>: <span class="variable">z</span>, <span class="field">y</span> }; 110 <span class="keyword">let</span> <span class="struct">Foo</span> <span class="punctuation">{</span> <span class="field">x</span><span class="punctuation">:</span> <span class="variable declaration">z</span><span class="punctuation">,</span> <span class="field">y</span> <span class="punctuation">}</span> <span class="punctuation">=</span> <span class="struct">Foo</span> <span class="punctuation">{</span> <span class="field">x</span><span class="punctuation">:</span> <span class="variable">z</span><span class="punctuation">,</span> <span class="field">y</span> <span class="punctuation">}</span><span class="punctuation">;</span>
111 111
112 <span class="variable">y</span>; 112 <span class="variable">y</span><span class="punctuation">;</span>
113} 113<span class="punctuation">}</span>
114 114
115<span class="keyword">enum</span> <span class="enum declaration">Option</span>&lt;<span class="type_param declaration">T</span>&gt; { 115<span class="keyword">enum</span> <span class="enum declaration">Option</span><span class="punctuation">&lt;</span><span class="type_param declaration">T</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span>
116 <span class="enum_variant declaration">Some</span>(<span class="type_param">T</span>), 116 <span class="enum_variant declaration">Some</span><span class="punctuation">(</span><span class="type_param">T</span><span class="punctuation">)</span><span class="punctuation">,</span>
117 <span class="enum_variant declaration">None</span>, 117 <span class="enum_variant declaration">None</span><span class="punctuation">,</span>
118} 118<span class="punctuation">}</span>
119<span class="keyword">use</span> <span class="enum">Option</span>::*; 119<span class="keyword">use</span> <span class="enum">Option</span><span class="punctuation">::</span>*<span class="punctuation">;</span>
120 120
121<span class="keyword">impl</span>&lt;<span class="type_param declaration">T</span>&gt; <span class="enum">Option</span>&lt;<span class="type_param">T</span>&gt; { 121<span class="keyword">impl</span><span class="punctuation">&lt;</span><span class="type_param declaration">T</span><span class="punctuation">&gt;</span> <span class="enum">Option</span><span class="punctuation">&lt;</span><span class="type_param">T</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span>
122 <span class="keyword">fn</span> <span class="function declaration">and</span>&lt;<span class="type_param declaration">U</span>&gt;(<span class="self_keyword">self</span>, <span class="value_param declaration">other</span>: <span class="enum">Option</span>&lt;<span class="type_param">U</span>&gt;) -&gt; <span class="enum">Option</span>&lt;(<span class="type_param">T</span>, <span class="type_param">U</span>)&gt; { 122 <span class="keyword">fn</span> <span class="function declaration">and</span><span class="punctuation">&lt;</span><span class="type_param declaration">U</span><span class="punctuation">&gt;</span><span class="punctuation">(</span><span class="self_keyword">self</span><span class="punctuation">,</span> <span class="value_param declaration">other</span><span class="punctuation">:</span> <span class="enum">Option</span><span class="punctuation">&lt;</span><span class="type_param">U</span><span class="punctuation">&gt;</span><span class="punctuation">)</span> <span class="punctuation">-&gt;</span> <span class="enum">Option</span><span class="punctuation">&lt;</span><span class="punctuation">(</span><span class="type_param">T</span><span class="punctuation">,</span> <span class="type_param">U</span><span class="punctuation">)</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span>
123 <span class="keyword control">match</span> <span class="value_param">other</span> { 123 <span class="keyword control">match</span> <span class="value_param">other</span> <span class="punctuation">{</span>
124 <span class="enum_variant">None</span> =&gt; <span class="macro">unimplemented!</span>(), 124 <span class="enum_variant">None</span> <span class="punctuation">=&gt;</span> <span class="macro">unimplemented!</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">,</span>
125 <span class="variable declaration">Nope</span> =&gt; <span class="variable">Nope</span>, 125 <span class="variable declaration">Nope</span> <span class="punctuation">=&gt;</span> <span class="variable">Nope</span><span class="punctuation">,</span>
126 } 126 <span class="punctuation">}</span>
127 } 127 <span class="punctuation">}</span>
128}</code></pre> \ No newline at end of file 128<span class="punctuation">}</span></code></pre> \ No newline at end of file
diff --git a/crates/ra_ide/test_data/rainbow_highlighting.html b/crates/ra_ide/test_data/rainbow_highlighting.html
index 84a7686b2..2fed04a44 100644
--- a/crates/ra_ide/test_data/rainbow_highlighting.html
+++ b/crates/ra_ide/test_data/rainbow_highlighting.html
@@ -35,15 +35,15 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
35 35
36.unresolved_reference { color: #FC5555; text-decoration: wavy underline; } 36.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
37</style> 37</style>
38<pre><code><span class="keyword">fn</span> <span class="function declaration">main</span>() { 38<pre><code><span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
39 <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="8121853618659664005" style="color: hsl(261,57%,61%);">hello</span> = <span class="string_literal">"hello"</span>; 39 <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="8121853618659664005" style="color: hsl(261,57%,61%);">hello</span> <span class="punctuation">=</span> <span class="string_literal">"hello"</span><span class="punctuation">;</span>
40 <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="2705725358298919760" style="color: hsl(17,51%,74%);">x</span> = <span class="variable" data-binding-hash="8121853618659664005" style="color: hsl(261,57%,61%);">hello</span>.<span class="unresolved_reference">to_string</span>(); 40 <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="2705725358298919760" style="color: hsl(17,51%,74%);">x</span> <span class="punctuation">=</span> <span class="variable" data-binding-hash="8121853618659664005" style="color: hsl(261,57%,61%);">hello</span><span class="punctuation">.</span><span class="unresolved_reference">to_string</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
41 <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="3365759661443752373" style="color: hsl(127,76%,66%);">y</span> = <span class="variable" data-binding-hash="8121853618659664005" style="color: hsl(261,57%,61%);">hello</span>.<span class="unresolved_reference">to_string</span>(); 41 <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="3365759661443752373" style="color: hsl(127,76%,66%);">y</span> <span class="punctuation">=</span> <span class="variable" data-binding-hash="8121853618659664005" style="color: hsl(261,57%,61%);">hello</span><span class="punctuation">.</span><span class="unresolved_reference">to_string</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
42 42
43 <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="794745962933817518" style="color: hsl(19,74%,76%);">x</span> = <span class="string_literal">"other color please!"</span>; 43 <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="794745962933817518" style="color: hsl(19,74%,76%);">x</span> <span class="punctuation">=</span> <span class="string_literal">"other color please!"</span><span class="punctuation">;</span>
44 <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="6717528807933952652" style="color: hsl(85,49%,84%);">y</span> = <span class="variable" data-binding-hash="794745962933817518" style="color: hsl(19,74%,76%);">x</span>.<span class="unresolved_reference">to_string</span>(); 44 <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="6717528807933952652" style="color: hsl(85,49%,84%);">y</span> <span class="punctuation">=</span> <span class="variable" data-binding-hash="794745962933817518" style="color: hsl(19,74%,76%);">x</span><span class="punctuation">.</span><span class="unresolved_reference">to_string</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
45} 45<span class="punctuation">}</span>
46 46
47<span class="keyword">fn</span> <span class="function declaration">bar</span>() { 47<span class="keyword">fn</span> <span class="function declaration">bar</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
48 <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable" data-binding-hash="8121853618659664005" style="color: hsl(261,57%,61%);">hello</span> = <span class="string_literal">"hello"</span>; 48 <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable" data-binding-hash="8121853618659664005" style="color: hsl(261,57%,61%);">hello</span> <span class="punctuation">=</span> <span class="string_literal">"hello"</span><span class="punctuation">;</span>
49}</code></pre> \ No newline at end of file 49<span class="punctuation">}</span></code></pre> \ No newline at end of file
diff --git a/crates/rust-analyzer/src/semantic_tokens.rs b/crates/rust-analyzer/src/semantic_tokens.rs
index 10fe40cb5..576bd8adc 100644
--- a/crates/rust-analyzer/src/semantic_tokens.rs
+++ b/crates/rust-analyzer/src/semantic_tokens.rs
@@ -43,6 +43,7 @@ define_semantic_token_types![
43 (FORMAT_SPECIFIER, "formatSpecifier"), 43 (FORMAT_SPECIFIER, "formatSpecifier"),
44 (GENERIC, "generic"), 44 (GENERIC, "generic"),
45 (LIFETIME, "lifetime"), 45 (LIFETIME, "lifetime"),
46 (PUNCTUATION, "punctuation"),
46 (SELF_KEYWORD, "selfKeyword"), 47 (SELF_KEYWORD, "selfKeyword"),
47 (TYPE_ALIAS, "typeAlias"), 48 (TYPE_ALIAS, "typeAlias"),
48 (UNION, "union"), 49 (UNION, "union"),
diff --git a/crates/rust-analyzer/src/to_proto.rs b/crates/rust-analyzer/src/to_proto.rs
index 3585202a4..2fcae9ca3 100644
--- a/crates/rust-analyzer/src/to_proto.rs
+++ b/crates/rust-analyzer/src/to_proto.rs
@@ -327,6 +327,7 @@ fn semantic_token_type_and_modifiers(
327 HighlightTag::FormatSpecifier => semantic_tokens::FORMAT_SPECIFIER, 327 HighlightTag::FormatSpecifier => semantic_tokens::FORMAT_SPECIFIER,
328 HighlightTag::Operator => lsp_types::SemanticTokenType::OPERATOR, 328 HighlightTag::Operator => lsp_types::SemanticTokenType::OPERATOR,
329 HighlightTag::EscapeSequence => semantic_tokens::ESCAPE_SEQUENCE, 329 HighlightTag::EscapeSequence => semantic_tokens::ESCAPE_SEQUENCE,
330 HighlightTag::Punctuation => semantic_tokens::PUNCTUATION,
330 }; 331 };
331 332
332 for modifier in highlight.modifiers.iter() { 333 for modifier in highlight.modifiers.iter() {