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-rw-r--r--crates/ide/src/syntax_highlighting/highlight.rs39
-rw-r--r--crates/ide/src/syntax_highlighting/test_data/highlight_assoc_functions.html6
-rw-r--r--crates/ide/src/syntax_highlighting/test_data/highlight_doctest.html2
-rw-r--r--crates/ide/src/syntax_highlighting/test_data/highlight_unsafe.html6
-rw-r--r--crates/ide/src/syntax_highlighting/test_data/highlighting.html18
5 files changed, 27 insertions, 44 deletions
diff --git a/crates/ide/src/syntax_highlighting/highlight.rs b/crates/ide/src/syntax_highlighting/highlight.rs
index 34bae49a8..87578e70a 100644
--- a/crates/ide/src/syntax_highlighting/highlight.rs
+++ b/crates/ide/src/syntax_highlighting/highlight.rs
@@ -226,35 +226,16 @@ pub(super) fn element(
226 T![unsafe] => h | HlMod::Unsafe, 226 T![unsafe] => h | HlMod::Unsafe,
227 T![true] | T![false] => HlTag::BoolLiteral.into(), 227 T![true] | T![false] => HlTag::BoolLiteral.into(),
228 T![self] => { 228 T![self] => {
229 let self_param_is_mut = element 229 let self_param = element.parent().and_then(ast::SelfParam::cast);
230 .parent() 230 if let Some(NameClass::Definition(def)) = self_param
231 .and_then(ast::SelfParam::cast) 231 .and_then(|self_param| NameClass::classify_self_param(sema, &self_param))
232 .and_then(|p| p.mut_token())
233 .is_some();
234 let self_path = &element
235 .parent()
236 .as_ref()
237 .and_then(SyntaxNode::parent)
238 .and_then(ast::Path::cast)
239 .and_then(|p| sema.resolve_path(&p));
240 let mut h = HlTag::Symbol(SymbolKind::SelfParam).into();
241 if self_param_is_mut
242 || matches!(self_path,
243 Some(hir::PathResolution::Local(local))
244 if local.is_self(db)
245 && (local.is_mut(db) || local.ty(db).is_mutable_reference())
246 )
247 { 232 {
248 h |= HlMod::Mutable 233 highlight_def(db, def) | HlMod::Definition
249 } 234 } else if element.ancestors().any(|it| it.kind() == USE_TREE) {
250 235 HlTag::Symbol(SymbolKind::SelfParam).into()
251 if let Some(hir::PathResolution::Local(local)) = self_path { 236 } else {
252 if is_consumed_lvalue(element, &local, db) { 237 return None;
253 h |= HlMod::Consuming;
254 }
255 } 238 }
256
257 h
258 } 239 }
259 T![ref] => element 240 T![ref] => element
260 .parent() 241 .parent()
@@ -345,7 +326,9 @@ fn highlight_def(db: &RootDatabase, def: Definition) -> Highlight {
345 hir::GenericParam::LifetimeParam(_) => HlTag::Symbol(SymbolKind::LifetimeParam), 326 hir::GenericParam::LifetimeParam(_) => HlTag::Symbol(SymbolKind::LifetimeParam),
346 }, 327 },
347 Definition::Local(local) => { 328 Definition::Local(local) => {
348 let tag = if local.is_param(db) { 329 let tag = if local.is_self(db) {
330 HlTag::Symbol(SymbolKind::SelfParam)
331 } else if local.is_param(db) {
349 HlTag::Symbol(SymbolKind::ValueParam) 332 HlTag::Symbol(SymbolKind::ValueParam)
350 } else { 333 } else {
351 HlTag::Symbol(SymbolKind::Local) 334 HlTag::Symbol(SymbolKind::Local)
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlight_assoc_functions.html b/crates/ide/src/syntax_highlighting/test_data/highlight_assoc_functions.html
index e36e6fc3f..d421a7803 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlight_assoc_functions.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlight_assoc_functions.html
@@ -42,16 +42,16 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
42 42
43<span class="keyword">impl</span> <span class="struct">foo</span> <span class="brace">{</span> 43<span class="keyword">impl</span> <span class="struct">foo</span> <span class="brace">{</span>
44 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration static associated">is_static</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span> 44 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration static associated">is_static</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
45 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration associated">is_not_static</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span> 45 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration associated">is_not_static</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
46<span class="brace">}</span> 46<span class="brace">}</span>
47 47
48<span class="keyword">trait</span> <span class="trait declaration">t</span> <span class="brace">{</span> 48<span class="keyword">trait</span> <span class="trait declaration">t</span> <span class="brace">{</span>
49 <span class="keyword">fn</span> <span class="function declaration static associated">t_is_static</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span> 49 <span class="keyword">fn</span> <span class="function declaration static associated">t_is_static</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
50 <span class="keyword">fn</span> <span class="function declaration associated">t_is_not_static</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span> 50 <span class="keyword">fn</span> <span class="function declaration associated">t_is_not_static</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
51<span class="brace">}</span> 51<span class="brace">}</span>
52 52
53<span class="keyword">impl</span> <span class="trait">t</span> <span class="keyword">for</span> <span class="struct">foo</span> <span class="brace">{</span> 53<span class="keyword">impl</span> <span class="trait">t</span> <span class="keyword">for</span> <span class="struct">foo</span> <span class="brace">{</span>
54 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration static associated">is_static</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span> 54 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration static associated">is_static</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
55 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration associated">is_not_static</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span> 55 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration associated">is_not_static</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
56<span class="brace">}</span> 56<span class="brace">}</span>
57 </code></pre> \ No newline at end of file 57 </code></pre> \ No newline at end of file
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlight_doctest.html b/crates/ide/src/syntax_highlighting/test_data/highlight_doctest.html
index 6dadda1c1..5e877df88 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlight_doctest.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlight_doctest.html
@@ -93,7 +93,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
93 <span class="comment documentation">/// ```sh</span> 93 <span class="comment documentation">/// ```sh</span>
94 <span class="comment documentation">/// echo 1</span> 94 <span class="comment documentation">/// echo 1</span>
95 <span class="comment documentation">/// ```</span> 95 <span class="comment documentation">/// ```</span>
96 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration associated">foo</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">bool</span> <span class="brace">{</span> 96 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration associated">foo</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">bool</span> <span class="brace">{</span>
97 <span class="bool_literal">true</span> 97 <span class="bool_literal">true</span>
98 <span class="brace">}</span> 98 <span class="brace">}</span>
99<span class="brace">}</span> 99<span class="brace">}</span>
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlight_unsafe.html b/crates/ide/src/syntax_highlighting/test_data/highlight_unsafe.html
index 9d4d6d4a0..036cb6c11 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlight_unsafe.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlight_unsafe.html
@@ -46,7 +46,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
46<span class="keyword">struct</span> <span class="struct declaration">HasUnsafeFn</span><span class="semicolon">;</span> 46<span class="keyword">struct</span> <span class="struct declaration">HasUnsafeFn</span><span class="semicolon">;</span>
47 47
48<span class="keyword">impl</span> <span class="struct">HasUnsafeFn</span> <span class="brace">{</span> 48<span class="keyword">impl</span> <span class="struct">HasUnsafeFn</span> <span class="brace">{</span>
49 <span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration associated unsafe">unsafe_method</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span> 49 <span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration associated unsafe">unsafe_method</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
50<span class="brace">}</span> 50<span class="brace">}</span>
51 51
52<span class="keyword">struct</span> <span class="struct declaration">TypeForStaticMut</span> <span class="brace">{</span> 52<span class="keyword">struct</span> <span class="struct declaration">TypeForStaticMut</span> <span class="brace">{</span>
@@ -61,11 +61,11 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
61<span class="brace">}</span> 61<span class="brace">}</span>
62 62
63<span class="keyword">trait</span> <span class="trait declaration">DoTheAutoref</span> <span class="brace">{</span> 63<span class="keyword">trait</span> <span class="trait declaration">DoTheAutoref</span> <span class="brace">{</span>
64 <span class="keyword">fn</span> <span class="function declaration associated">calls_autoref</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span><span class="semicolon">;</span> 64 <span class="keyword">fn</span> <span class="function declaration associated">calls_autoref</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span><span class="semicolon">;</span>
65<span class="brace">}</span> 65<span class="brace">}</span>
66 66
67<span class="keyword">impl</span> <span class="trait">DoTheAutoref</span> <span class="keyword">for</span> <span class="builtin_type">u16</span> <span class="brace">{</span> 67<span class="keyword">impl</span> <span class="trait">DoTheAutoref</span> <span class="keyword">for</span> <span class="builtin_type">u16</span> <span class="brace">{</span>
68 <span class="keyword">fn</span> <span class="function declaration associated">calls_autoref</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span> 68 <span class="keyword">fn</span> <span class="function declaration associated">calls_autoref</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
69<span class="brace">}</span> 69<span class="brace">}</span>
70 70
71<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span> 71<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlighting.html b/crates/ide/src/syntax_highlighting/test_data/highlighting.html
index 6b7447c46..237149566 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlighting.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlighting.html
@@ -66,25 +66,25 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
66<span class="brace">}</span> 66<span class="brace">}</span>
67 67
68<span class="keyword">trait</span> <span class="trait declaration">Bar</span> <span class="brace">{</span> 68<span class="keyword">trait</span> <span class="trait declaration">Bar</span> <span class="brace">{</span>
69 <span class="keyword">fn</span> <span class="function declaration associated">bar</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span><span class="semicolon">;</span> 69 <span class="keyword">fn</span> <span class="function declaration associated">bar</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span><span class="semicolon">;</span>
70<span class="brace">}</span> 70<span class="brace">}</span>
71 71
72<span class="keyword">impl</span> <span class="trait">Bar</span> <span class="keyword">for</span> <span class="struct">Foo</span> <span class="brace">{</span> 72<span class="keyword">impl</span> <span class="trait">Bar</span> <span class="keyword">for</span> <span class="struct">Foo</span> <span class="brace">{</span>
73 <span class="keyword">fn</span> <span class="function declaration associated">bar</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="brace">{</span> 73 <span class="keyword">fn</span> <span class="function declaration associated">bar</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="brace">{</span>
74 <span class="self_keyword">self</span><span class="operator">.</span><span class="field">x</span> 74 <span class="self_keyword">self</span><span class="operator">.</span><span class="field">x</span>
75 <span class="brace">}</span> 75 <span class="brace">}</span>
76<span class="brace">}</span> 76<span class="brace">}</span>
77 77
78<span class="keyword">impl</span> <span class="struct">Foo</span> <span class="brace">{</span> 78<span class="keyword">impl</span> <span class="struct">Foo</span> <span class="brace">{</span>
79 <span class="keyword">fn</span> <span class="function declaration associated">baz</span><span class="parenthesis">(</span><span class="keyword">mut</span> <span class="self_keyword mutable">self</span><span class="comma">,</span> <span class="value_param declaration">f</span><span class="colon">:</span> <span class="struct">Foo</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="brace">{</span> 79 <span class="keyword">fn</span> <span class="function declaration associated">baz</span><span class="parenthesis">(</span><span class="keyword">mut</span> <span class="self_keyword declaration mutable">self</span><span class="comma">,</span> <span class="value_param declaration">f</span><span class="colon">:</span> <span class="struct">Foo</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="brace">{</span>
80 <span class="value_param">f</span><span class="operator">.</span><span class="function consuming associated">baz</span><span class="parenthesis">(</span><span class="self_keyword mutable consuming">self</span><span class="parenthesis">)</span> 80 <span class="value_param">f</span><span class="operator">.</span><span class="function consuming associated">baz</span><span class="parenthesis">(</span><span class="self_keyword mutable consuming">self</span><span class="parenthesis">)</span>
81 <span class="brace">}</span> 81 <span class="brace">}</span>
82 82
83 <span class="keyword">fn</span> <span class="function declaration associated">qux</span><span class="parenthesis">(</span><span class="operator">&</span><span class="keyword">mut</span> <span class="self_keyword mutable">self</span><span class="parenthesis">)</span> <span class="brace">{</span> 83 <span class="keyword">fn</span> <span class="function declaration associated">qux</span><span class="parenthesis">(</span><span class="operator">&</span><span class="keyword">mut</span> <span class="self_keyword declaration mutable">self</span><span class="parenthesis">)</span> <span class="brace">{</span>
84 <span class="self_keyword mutable">self</span><span class="operator">.</span><span class="field">x</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="semicolon">;</span> 84 <span class="self_keyword mutable">self</span><span class="operator">.</span><span class="field">x</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="semicolon">;</span>
85 <span class="brace">}</span> 85 <span class="brace">}</span>
86 86
87 <span class="keyword">fn</span> <span class="function declaration associated">quop</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="brace">{</span> 87 <span class="keyword">fn</span> <span class="function declaration associated">quop</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="brace">{</span>
88 <span class="self_keyword">self</span><span class="operator">.</span><span class="field">x</span> 88 <span class="self_keyword">self</span><span class="operator">.</span><span class="field">x</span>
89 <span class="brace">}</span> 89 <span class="brace">}</span>
90<span class="brace">}</span> 90<span class="brace">}</span>
@@ -95,15 +95,15 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
95<span class="brace">}</span> 95<span class="brace">}</span>
96 96
97<span class="keyword">impl</span> <span class="struct">FooCopy</span> <span class="brace">{</span> 97<span class="keyword">impl</span> <span class="struct">FooCopy</span> <span class="brace">{</span>
98 <span class="keyword">fn</span> <span class="function declaration associated">baz</span><span class="parenthesis">(</span><span class="self_keyword">self</span><span class="comma">,</span> <span class="value_param declaration">f</span><span class="colon">:</span> <span class="struct">FooCopy</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">u32</span> <span class="brace">{</span> 98 <span class="keyword">fn</span> <span class="function declaration associated">baz</span><span class="parenthesis">(</span><span class="self_keyword declaration">self</span><span class="comma">,</span> <span class="value_param declaration">f</span><span class="colon">:</span> <span class="struct">FooCopy</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">u32</span> <span class="brace">{</span>
99 <span class="value_param">f</span><span class="operator">.</span><span class="function associated">baz</span><span class="parenthesis">(</span><span class="self_keyword">self</span><span class="parenthesis">)</span> 99 <span class="value_param">f</span><span class="operator">.</span><span class="function associated">baz</span><span class="parenthesis">(</span><span class="self_keyword">self</span><span class="parenthesis">)</span>
100 <span class="brace">}</span> 100 <span class="brace">}</span>
101 101
102 <span class="keyword">fn</span> <span class="function declaration associated">qux</span><span class="parenthesis">(</span><span class="operator">&</span><span class="keyword">mut</span> <span class="self_keyword mutable">self</span><span class="parenthesis">)</span> <span class="brace">{</span> 102 <span class="keyword">fn</span> <span class="function declaration associated">qux</span><span class="parenthesis">(</span><span class="operator">&</span><span class="keyword">mut</span> <span class="self_keyword declaration mutable">self</span><span class="parenthesis">)</span> <span class="brace">{</span>
103 <span class="self_keyword mutable">self</span><span class="operator">.</span><span class="field">x</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="semicolon">;</span> 103 <span class="self_keyword mutable">self</span><span class="operator">.</span><span class="field">x</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="semicolon">;</span>
104 <span class="brace">}</span> 104 <span class="brace">}</span>
105 105
106 <span class="keyword">fn</span> <span class="function declaration associated">quop</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">u32</span> <span class="brace">{</span> 106 <span class="keyword">fn</span> <span class="function declaration associated">quop</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">u32</span> <span class="brace">{</span>
107 <span class="self_keyword">self</span><span class="operator">.</span><span class="field">x</span> 107 <span class="self_keyword">self</span><span class="operator">.</span><span class="field">x</span>
108 <span class="brace">}</span> 108 <span class="brace">}</span>
109<span class="brace">}</span> 109<span class="brace">}</span>
@@ -213,7 +213,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
213<span class="keyword">use</span> <span class="enum">Option</span><span class="operator">::</span><span class="punctuation">*</span><span class="semicolon">;</span> 213<span class="keyword">use</span> <span class="enum">Option</span><span class="operator">::</span><span class="punctuation">*</span><span class="semicolon">;</span>
214 214
215<span class="keyword">impl</span><span class="angle">&lt;</span><span class="type_param declaration">T</span><span class="angle">&gt;</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="type_param">T</span><span class="angle">&gt;</span> <span class="brace">{</span> 215<span class="keyword">impl</span><span class="angle">&lt;</span><span class="type_param declaration">T</span><span class="angle">&gt;</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="type_param">T</span><span class="angle">&gt;</span> <span class="brace">{</span>
216 <span class="keyword">fn</span> <span class="function declaration associated">and</span><span class="angle">&lt;</span><span class="type_param declaration">U</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="self_keyword">self</span><span class="comma">,</span> <span class="value_param declaration">other</span><span class="colon">:</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="type_param">U</span><span class="angle">&gt;</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="parenthesis">(</span><span class="type_param">T</span><span class="comma">,</span> <span class="type_param">U</span><span class="parenthesis">)</span><span class="angle">&gt;</span> <span class="brace">{</span> 216 <span class="keyword">fn</span> <span class="function declaration associated">and</span><span class="angle">&lt;</span><span class="type_param declaration">U</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="self_keyword declaration">self</span><span class="comma">,</span> <span class="value_param declaration">other</span><span class="colon">:</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="type_param">U</span><span class="angle">&gt;</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="parenthesis">(</span><span class="type_param">T</span><span class="comma">,</span> <span class="type_param">U</span><span class="parenthesis">)</span><span class="angle">&gt;</span> <span class="brace">{</span>
217 <span class="keyword control">match</span> <span class="value_param">other</span> <span class="brace">{</span> 217 <span class="keyword control">match</span> <span class="value_param">other</span> <span class="brace">{</span>
218 <span class="enum_variant">None</span> <span class="operator">=&gt;</span> <span class="macro">unimplemented!</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="comma">,</span> 218 <span class="enum_variant">None</span> <span class="operator">=&gt;</span> <span class="macro">unimplemented!</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="comma">,</span>
219 <span class="variable declaration">Nope</span> <span class="operator">=&gt;</span> <span class="variable">Nope</span><span class="comma">,</span> 219 <span class="variable declaration">Nope</span> <span class="operator">=&gt;</span> <span class="variable">Nope</span><span class="comma">,</span>