std: Demode more of list and treemap

src/libstd/arena.rs

@@ -63,7 +63,7 @@ struct Arena {
         unsafe {
             destroy_chunk(&self.head);
             for list::each(self.chunks) |chunk| {
-                if !chunk.is_pod { destroy_chunk(&chunk); }
+                if !chunk.is_pod { destroy_chunk(chunk); }
             }
         }
     }

src/libstd/list.rs

@@ -59,7 +59,7 @@ fn find<T: Copy>(ls: @List<T>, f: fn((&T)) -> bool) -> Option<T> {
 /// Returns true if a list contains an element with the given value
 fn has<T: Copy Eq>(ls: @List<T>, +elt: T) -> bool {
     for each(ls) |e| {
-        if e == elt { return true; }
+        if *e == elt { return true; }
     }
     return false;
 }
@@ -135,11 +135,11 @@ fn iter<T>(l: @List<T>, f: fn((&T))) {
 }
 
 /// Iterate over a list
-fn each<T>(l: @List<T>, f: fn(T) -> bool) {
+fn each<T>(l: @List<T>, f: fn((&T)) -> bool) {
     let mut cur = l;
     loop {
         cur = match *cur {
-          Cons(hd, tl) => {
+          Cons(ref hd, tl) => {
             if !f(hd) { return; }
             tl
           }

src/libstd/treemap.rs

@@ -73,13 +73,13 @@ fn find<K: Copy Eq Ord, V: Copy>(m: &const TreeEdge<K, V>, +k: K)
 }
 
 /// Visit all pairs in the map in order.
-fn traverse<K, V: Copy>(m: &const TreeEdge<K, V>, f: fn(K, V)) {
+fn traverse<K, V: Copy>(m: &const TreeEdge<K, V>, f: fn((&K), (&V))) {
     match copy *m {
       None => (),
       Some(node) => {
         traverse(&const node.left, f);
         // copy of value is req'd as f() requires an immutable ptr
-        f(node.key, copy node.value);
+        f(&node.key, &copy node.value);
         traverse(&const node.right, f);
       }
     }
@@ -130,7 +130,7 @@ mod tests {
         fn t(n: @mut int, +k: int, +_v: ()) {
             assert (*n == k); *n += 1;
         }
-        traverse(m, |x,y| t(n, x, y));
+        traverse(m, |x,y| t(n, *x, *y));
     }
 
     #[test]

src/rustc/middle/typeck/check.rs

@@ -181,7 +181,7 @@ impl isr_alist: get_and_find_region {
 
     fn find(br: ty::bound_region) -> Option<ty::region> {
         for list::each(self) |isr| {
-            let (isr_br, isr_r) = isr;
+            let (isr_br, isr_r) = *isr;
             if isr_br == br { return Some(isr_r); }
         }
         return None;