From 3f1c73633eb3e5d8a2df3a72dc772087cfb18be4 Mon Sep 17 00:00:00 2001
From: George Fraser <george@fivetran.com>
Date: Sun, 10 May 2020 11:08:32 -0700
Subject: Color `in` as a control keyword

---
 crates/ra_ide/src/snapshots/highlighting.html  | 4 ++++
 crates/ra_ide/src/syntax_highlighting.rs       | 3 ++-
 crates/ra_ide/src/syntax_highlighting/tests.rs | 4 ++++
 3 files changed, 10 insertions(+), 1 deletion(-)

(limited to 'crates/ra_ide')

diff --git a/crates/ra_ide/src/snapshots/highlighting.html b/crates/ra_ide/src/snapshots/highlighting.html
index 4c27aade4..c67df5c39 100644
--- a/crates/ra_ide/src/snapshots/highlighting.html
+++ b/crates/ra_ide/src/snapshots/highlighting.html
@@ -63,6 +63,10 @@ pre                 { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
         <span class="static mutable">STATIC_MUT</span> = <span class="numeric_literal">1</span>;
     }
 
+    <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="comment">// Do nothing</span>
+    }
+
     <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">x</span> = <span class="numeric_literal">42</span>;
     <span class="keyword">let</span> <span class="variable declaration mutable">y</span> = &<span class="keyword">mut</span> <span class="variable mutable">x</span>;
     <span class="keyword">let</span> <span class="variable declaration">z</span> = &<span class="variable mutable">y</span>;
diff --git a/crates/ra_ide/src/syntax_highlighting.rs b/crates/ra_ide/src/syntax_highlighting.rs
index d53a39f57..16123c5cb 100644
--- a/crates/ra_ide/src/syntax_highlighting.rs
+++ b/crates/ra_ide/src/syntax_highlighting.rs
@@ -408,7 +408,8 @@ fn highlight_element(
                 | T![loop]
                 | T![match]
                 | T![return]
-                | T![while] => h | HighlightModifier::ControlFlow,
+                | T![while]
+                | T![in] => h | HighlightModifier::ControlFlow,
                 T![unsafe] => h | HighlightModifier::Unsafe,
                 _ => h,
             }
diff --git a/crates/ra_ide/src/syntax_highlighting/tests.rs b/crates/ra_ide/src/syntax_highlighting/tests.rs
index 13894869c..7975755b2 100644
--- a/crates/ra_ide/src/syntax_highlighting/tests.rs
+++ b/crates/ra_ide/src/syntax_highlighting/tests.rs
@@ -47,6 +47,10 @@ fn main() {
         STATIC_MUT = 1;
     }
 
+    for e in vec {
+        // Do nothing
+    }
+
     let mut x = 42;
     let y = &mut x;
     let z = &y;
-- 
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