libsyntax: change binop_to_str to be pure

erickt · erickt · commit 375c29829716 · 2013-02-26T03:22:14.000-08:00
diff --git 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 => ~"-",

Original file line number	Diff line number	Diff line change
`@@ -115,7 +115,7 @@ pub enum nonterminal {`
`115`	`115`	`nt_matchers(~[ast::matcher])`
`116`	`116`	`}`
`117`	`117`
`118`		`-pub fn binop_to_str(o: binop) -> ~str {`
	`118`	`+pub pure fn binop_to_str(o: binop) -> ~str {`
`119`	`119`	`match o {`
`120`	`120`	`PLUS => ~"+",`
`121`	`121`	`MINUS => ~"-",`