hashmap: add FIXME number

diff --git a/src/libstd/hashmap.rs b/src/libstd/hashmap.rs
index 0b6bf339d7efd89ba56a29a4c8395f9a7a2f218c..7d55947e81881e2c629f4b052e622e17ce1c198c 100644 (file)
--- a/src/libstd/hashmap.rs
+++ b/src/libstd/hashmap.rs
@@ -719,7 +719,7 @@ pub fn contains_equiv<Q:Hash + Equiv<T>>(&self, value: &Q) -> bool {
     }
 
     /// Visit all elements in arbitrary order
-    /// FIXME: Remove when all callers are converted
+    /// FIXME: #6978: Remove when all callers are converted
     pub fn each(&self, f: &fn(&T) -> bool) -> bool {
         self.iter().advance(f)
     }