1 files changed, 6 insertions, 4 deletions
diff --git a/src/libextra/serialize.rs b/src/libextra/serialize.rs
index 0c8821e753e..95f3af006e8 100644
--- a/src/libextra/serialize.rs
+++ b/src/libextra/serialize.rs
@@ -784,11 +784,12 @@ impl<
     fn encode(&self, e: &mut E) {
         do e.emit_map(self.len()) |e| {
             let mut i = 0;
-            for self.each |key, val| {
+            do self.each |key, val| {
                 e.emit_map_elt_key(i, |e| key.encode(e));
                 e.emit_map_elt_val(i, |e| val.encode(e));
                 i += 1;
-            }
+                true
+            };
         }
     }
 }
@@ -814,10 +815,11 @@ impl<S: Encoder> Encodable<S> for TrieSet {
     fn encode(&self, s: &mut S) {
         do s.emit_seq(self.len()) |s| {
             let mut i = 0;
-            for self.each |e| {
+            do self.each |e| {
                 s.emit_seq_elt(i, |s| e.encode(s));
                 i += 1;
-            }
+                true
+            };
         }
     }
 }