rename hashmap find_ref/get_ref -> find/get

src/libstd/json.rs

@@ -911,7 +911,7 @@ pub impl Decoder: serialize::Decoder {
                 // FIXME(#3148) This hint should not be necessary.
                 let obj: &self/~Object = obj;
 
-                match obj.find_ref(&name.to_owned()) {
+                match obj.find(&name.to_owned()) {
                     None => fail fmt!("no such field: %s", name),
                     Some(json) => {
                         self.stack.push(json);
@@ -969,7 +969,7 @@ impl Json : Eq {
                         if d0.len() == d1.len() {
                             let mut equal = true;
                             for d0.each |k, v0| {
-                                match d1.find_ref(k) {
+                                match d1.find(k) {
                                     Some(v1) if v0 == v1 => { },
                                     _ => { equal = false; break }
                                 }

src/libstd/workcache.rs

@@ -297,7 +297,7 @@ impl @Mut<Prep> : TPrep {
                 name: &str, val: &str) -> bool {
         do self.borrow_imm |p| {
             let k = kind.to_owned();
-            let f = (*p.ctxt.freshness.get_ref(&k))(name, val);
+            let f = (*p.ctxt.freshness.get(&k))(name, val);
             do p.ctxt.logger.borrow_imm |lg| {
                 if f {
                     lg.info(fmt!("%s %s:%s is fresh",