libsyntax: change binop_to_str to be pure

2013-02-24 17:02:04 -08:00 · 2013-02-24 17:02:04 -08:00 · 375c298297
commit 375c298297
parent de6d9f66b5
1 changed files with 1 additions and 1 deletions
--- a/src/libsyntax/parse/token.rs
+++ b/src/libsyntax/parse/token.rs
@ -115,7 +115,7 @@ pub enum nonterminal {
    nt_matchers(~[ast::matcher])
 }

-pub fn binop_to_str(o: binop) -> ~str {
+pub pure fn binop_to_str(o: binop) -> ~str {
    match o {
      PLUS => ~"+",
      MINUS => ~"-",