queries: highlight more patterns in parameters

runtime/queries/rust/highlights.scm

@@ -206,11 +206,6 @@
   value: (identifier)? @variable
   field: (field_identifier) @variable.other.member))
 
-(parameter
-	pattern: (identifier) @variable.parameter)
-(closure_parameters
-	(identifier) @variable.parameter)
-
 ; -------
 ; Keywords
 ; -------

runtime/queries/rust/locals.scm

@@ -15,9 +15,29 @@
 ; Definitions
 
 (parameter
-  pattern: (identifier) @local.definition.variable.parameter)
-
-(closure_parameters (identifier) @local.definition.variable.parameter)
+  pattern: [
+    ; `foo` in `fn x(foo: !) {}`
+    (identifier) @local.definition.variable.parameter @variable.parameter
+    ; `foo` and `bar` in `fn x((foo, bar): !) {}`
+    (tuple_pattern (identifier)* (identifier) @local.definition.variable.parameter @variable.parameter)
+    ; `foo` and `bar` in `fn x(Struct { foo, bar }: !) {}`
+    (struct_pattern
+      (field_pattern)*
+      (field_pattern
+        name: (shorthand_field_identifier) @local.definition.variable.parameter @variable.parameter)
+    )
+    ; `foo` and `bar` in `fn x(TupleStruct(foo, bar): !) {}`
+    (tuple_struct_pattern
+      type: _
+      (identifier)*
+      (identifier) @local.definition.variable.parameter @variable.parameter
+    )
+    ; `foo` and `bar` in `fn x([foo, bar]: !) {}`
+    (slice_pattern
+      (identifier)*
+      (identifier) @local.definition.variable.parameter @variable.parameter
+    )
+  ])
 
 ; References
 (identifier) @local.reference