Rust scope migration (#2344)

## Checklist

- [/] I have added
[tests](https://www.cursorless.org/docs/contributing/test-case-recorder/)
- [/] I have updated the
[docs](https://github.com/cursorless-dev/cursorless/tree/main/docs) and
[cheatsheet](https://github.com/cursorless-dev/cursorless/tree/main/cursorless-talon/src/cheatsheet)
- [/] I have not broken the cheatsheet

---------

Co-authored-by: Pokey Rule <755842+pokey@users.noreply.github.com>

packages/cursorless-engine/src/languages/rust.ts

@@ -156,15 +156,11 @@ const nodeMatchers: Partial<
     ),
     leadingMatcher(["*.match_pattern![condition]"], ["if"]),
   ),
-  functionCall: ["call_expression", "macro_invocation", "struct_expression"],
-  functionCallee: "call_expression[function]",
-  list: ["array_expression", "tuple_expression"],
   collectionItem: argumentMatcher(
     "array_expression",
     "tuple_expression",
     "tuple_type",
   ),
-  namedFunction: "function_item",
   type: cascadingMatcher(
     leadingMatcher(
       [
@@ -191,8 +187,6 @@ const nodeMatchers: Partial<
       "array_type[element]",
     ),
   ),
-  functionName: ["function_item[name]"],
-  anonymousFunction: "closure_expression",
   argumentOrParameter: argumentMatcher(
     "arguments",
     "parameters",
@@ -221,8 +215,6 @@ const nodeMatchers: Partial<
     ),
     trailingMatcher(["field_initializer[name]", "field_pattern[name]"], [":"]),
   ),
-  class: ["struct_item", "struct_expression", "enum_item"],
-  className: ["struct_item[name]", "enum_item[name]", "trait_item[name]"],
   value: cascadingMatcher(
     leadingMatcher(["let_declaration[value]"], ["="]),
     leadingMatcher(
@@ -238,7 +230,6 @@ const nodeMatchers: Partial<
     matcher(patternFinder("else_clause"), elseExtractor("if_expression")),
     matcher(patternFinder("if_expression"), elseIfExtractor()),
   ),
-  ["private.switchStatementSubject"]: "match_expression[value]",
 };
 
 export default createPatternMatchers(nodeMatchers);

queries/rust.scm

@@ -15,3 +15,43 @@
   (line_comment)
   (block_comment)
 ] @comment @textFragment
+
+[
+  (struct_item
+    name: (_) @className
+  )
+  (enum_item
+    name: (_) @className
+  )
+] @class @className.domain
+
+(struct_expression) @class
+
+(trait_item
+  name: (_) @className
+) @_.domain
+
+(function_item
+  name: (_) @functionName
+) @namedFunction @functionName.domain
+
+[
+  (call_expression)
+  (macro_invocation)
+  (struct_expression)
+] @functionCall
+
+(call_expression
+  function: (_) @functionCallee
+) @_.domain
+
+(closure_expression) @anonymousFunction
+
+[
+  (array_expression)
+  (tuple_expression)
+] @list
+
+(match_expression
+  value: (_) @private.switchStatementSubject
+) @_.domain