Range pattern can contain ..= #46

Author: calixteman

corpus/patterns.txt

@@ -109,6 +109,7 @@ match x {
   a @ 1 ... 5 => a,
   Some(1 ... 5) => a,
   a @ b...c => a,
+  a @ b..=c => a,
 }
 
 ---
@@ -128,6 +129,9 @@ match x {
       (match_pattern
         (tuple_struct_pattern (identifier) (range_pattern (integer_literal) (integer_literal))))
       (identifier))
+    (match_arm
+      (match_pattern (captured_pattern (identifier) (range_pattern (identifier) (identifier))))
+      (identifier))
     (match_arm
       (match_pattern (captured_pattern (identifier) (range_pattern (identifier) (identifier))))
       (identifier)))))

grammar.js

@@ -1276,7 +1276,7 @@ module.exports = grammar({
         $._literal_pattern,
         $._path,
       ),
-      '...',
+      choice('...', '..='),
       choice(
         $._literal_pattern,
         $._path,

src/grammar.json

@@ -7446,8 +7446,17 @@
           ]
         },
         {
-          "type": "STRING",
-          "value": "..."
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "STRING",
+              "value": "..."
+            },
+            {
+              "type": "STRING",
+              "value": "..="
+            }
+          ]
         },
         {
           "type": "CHOICE",