Highlight poly variant

Author: chenglou

ReScript.sublime-syntax

@@ -142,10 +142,12 @@ contexts:
       # variant and modules confused
       # scope: entity.name.union
       scope: variable.function variable.other
-    - match: '(#)(\.\.\.)?[a-zA-Z][0-9a-zA-Z_]*\b'
+    - match: '(#)(\.\.\.)?([a-zA-Z][0-9a-zA-Z_]*)\b'
       captures:
         1: punctuation.definition.keyword
         2: punctuation.definition.keyword
+        # see comment above
+        3: variable.function variable.other
 
   array:
     - match: '\['

syntax_test.res

@@ -314,8 +314,10 @@ let interp = j`hello ${world.bla->b(a)} bye`
 //                                         ^ string.quoted.other punctuation.definition.string.end
 let variant = #foo
 //            ^ source.res punctuation.definition.keyword
+//             ^^^ variable.function variable.other
 let #...foo = bar
 //  ^^^^ punctuation.definition.keyword
+//      ^^^ variable.function variable.other
 
    @foo(bar) let a = 1
 // ^ source.res meta.annotation punctuation.definition.annotation