fix(parser): issue in parsing mutable variables.

fuse-lang · Mar 7, 2024 · dc0c896 · dc0c896
1 parent 8bc3d54
commit dc0c896
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/crates/fuse-parser/src/parsers/binding.rs b/crates/fuse-parser/src/parsers/binding.rs
@@ -28,7 +28,7 @@ impl<'a> Parser<'a> {
     }
 
     fn parse_binding_identifier_pattern(&mut self) -> ParserResult<BindingPattern> {
-        if !self.cur_kind().is_valid_identifier() {
+        if !self.cur_kind().is_valid_identifier() && !self.at(TokenKind::Mut) {
             return Err(Self::unexpected_error(self.cur_token()));
         }
 
@@ -38,13 +38,12 @@ impl<'a> Parser<'a> {
 
     pub(crate) fn parse_binding_identifier(&mut self) -> BindingIdentifier {
         let mut span = self.start_span();
+        let mutable = self.consume_if(TokenKind::Mut).is_some();
         let token = self.consume();
         let name = self.view_token(*token);
 
         span = self.end_span(span);
 
-        let mutable = self.consume_if(TokenKind::Mut).is_some();
-
         let atom = self.ast.atom(name);
 
         self.ast.binding_identifier(span, atom, mutable)