Syntax: Support comments near struct/union.

Author: ehuss

RustEnhanced.sublime-syntax

@@ -540,6 +540,7 @@ contexts:
 
   struct-identifier:
     - meta_scope: meta.struct.rust
+    - include: comments
     - match: '{{identifier}}(?=<)'
       scope: entity.name.struct.rust
       set:
@@ -608,6 +609,7 @@ contexts:
 
   union-identifier:
     - meta_scope: meta.union.rust
+    - include: comments
     - match: '{{identifier}}(?=<)'
       scope: entity.name.union.rust
       set:

tests/syntax-rust/syntax_test_struct.rs

@@ -31,6 +31,9 @@ struct Pair(i32, i32);
 //               ^^^ storage.type
 //                   ^ - meta.struct
 
+struct /*comment*/ Comments {}
+//     ^^^^^^^^^^^ meta.struct comment.block
+
 struct Point
 // ^^^^^^^^^ meta.struct
 {

tests/syntax-rust/syntax_test_union.rs

@@ -35,3 +35,6 @@ pub union Foo<'a, Y: Baz>
 // that we don't accidentally interpret it as a keyword.
 fn union() {}
 // ^^^^^ meta.function entity.name.function
+
+union /*comment*/ U {}
+//    ^^^^^^^^^^^ meta.union comment.block