Use a specialized string interner to reduce the need for owned strings

&str can be turned into @~str on demand, using to_owned(), so for
strings, we can create a specialized interner that accepts &str for
intern() and find() but stores and returns @~str.

1 files changed, 6 insertions, 6 deletions

diff --git a/src/libsyntax/parse/mod.rs b/src/libsyntax/parse/mod.rs
index 0708b65864e..ce41d377346 100644
--- a/src/libsyntax/parse/mod.rs
+++ b/src/libsyntax/parse/mod.rs
@@ -375,13 +375,13 @@ mod test {
 
         assert!(i.len() < 100);
         for int::range(0,100-((i.len()).to_int())) |_dc| {
-            i.gensym(@~"dontcare");
+            i.gensym("dontcare");
         }
-        i.intern(@~"a");
-        i.intern(@~"b");
-        i.intern(@~"c");
-        i.intern(@~"d");
-        i.intern(@~"return");
+        i.intern("a");
+        i.intern("b");
+        i.intern("c");
+        i.intern("d");
+        i.intern("return");
         assert!(i.get(ast::ident{repr:101,ctxt:0}) == @~"b");
         i
     }