highlights(rust): update operators

- sort operators
- remove duplicated `*`
- add missing `<<=`

- highlight `as` correctly in path aliasing
- highlight leading quote `'` as part of a label (not an operator)
- highlight never type `!` as a type

- sort and format punctuation

queries/rust/highlights.scm

@@ -133,8 +133,8 @@
 (parameter (identifier) @parameter)
 (closure_parameters (_) @parameter)
 
-(lifetime (identifier) @label)
+(lifetime   ["'" (identifier)] @label)
-(loop_label (identifier) @label)
+(loop_label ["'" (identifier)] @label)
 
 (self) @variable.builtin
 
@@ -203,76 +203,56 @@
 
 (escape_sequence) @string.escape
 
-[
+(type_cast_expression "as" @keyword.operator)
-  "as"
+(use_as_clause "as" @include) ; path aliasing
-] @keyword.operator
 
 [
-"*"
+  "!"
-"'"
+  "!="
-"->"
+  "%"
-"=>"
+  "%="
-"<="
+  "&"
-"="
+  "&&"
-"=="
+  "&="
-"!"
+  "*"
-"!="
+  "*="
-"%"
+  "+"
-"%="
+  "+="
-"&"
+  "-"
-"&="
+  "-="
-"&&"
+  "->"
-"|"
+  ".."
-"|="
+  "..="
-"||"
+  "/"
-"^"
+  "/="
-"^="
+  "<"
-"*"
+  "<<"
-"*="
+  "<<="
-"-"
+  "<="
-"-="
+  "="
-"+"
+  "=="
-"+="
+  "=>"
-"/"
+  ">"
-"/="
+  ">="
-">"
+  ">>"
-"<"
+  ">>="
-">="
+  "?"
-">>"
+  "@"
-"<<"
+  "^"
-">>="
+  "^="
-"@"
+  "|"
-".."
+  "|="
-"..="
+  "||"
-"?"
 ] @operator
 
-[
+["(" ")" "[" "]" "{" "}"]  @punctuation.bracket
- "("
+(closure_parameters "|"    @punctuation.bracket)
- ")"
+(type_arguments  ["<" ">"] @punctuation.bracket)
- "["
+(type_parameters ["<" ">"] @punctuation.bracket)
- "]"
- "{"
- "}"
-] @punctuation.bracket
 
-(closure_parameters "|" @punctuation.bracket)
+["," "." ":" "::" ";"] @punctuation.delimiter
-
-(type_arguments
-  "<" @punctuation.bracket
-  ">" @punctuation.bracket)
-(type_parameters
-  "<" @punctuation.bracket
-  ">" @punctuation.bracket)
-
-[
-":"
-"::"
-"."
-";"
-","
-] @punctuation.delimiter
 
 (attribute_item "#" @punctuation.special)
-(inner_attribute_item ["#" "!"] @punctuation.special)
+(inner_attribute_item ["!" "#"] @punctuation.special)
-(macro_invocation "!" @function.macro) ; don't highlight `!` as an operator here
+(macro_invocation "!" @function.macro)
+(empty_type "!" @type.builtin)