libsyntax: Fix a parsing problem with the temporary syntax for by-val…

…ue pattern match bindings
rust-lang · Aug 1, 2012 · 899400c · 899400c
1 parent 300e2b8
commit 899400c
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
@@ -1693,8 +1693,8 @@ class parser {
             }
           }
           tok {
-            if !is_ident(tok) || self.is_keyword(~"true")
-                || self.is_keyword(~"false") {
+            if (!is_ident(tok) && tok != token::BINOP(token::PLUS)) ||
+                    self.is_keyword(~"true") || self.is_keyword(~"false") {
                 let val = self.parse_expr_res(RESTRICT_NO_BAR_OP);
                 if self.eat_keyword(~"to") {
                     let end = self.parse_expr_res(RESTRICT_NO_BAR_OP);