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libsyntax: change binop_to_str to be pure

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This commit is contained in:
Erick Tryzelaar 2013-02-24 17:02:04 -08:00
parent de6d9f66b5
commit 375c298297
1 changed files with 1 additions and 1 deletions
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src/libsyntax/parse/token.rs
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@ -115,7 +115,7 @@ pub enum nonterminal {
nt_matchers(~[ast::matcher]) nt_matchers(~[ast::matcher])
} }
pub fn binop_to_str(o: binop) -> ~str { pub pure fn binop_to_str(o: binop) -> ~str {
match o { match o {
PLUS => ~"+", PLUS => ~"+",
MINUS => ~"-", MINUS => ~"-",