vec: rm old_iter implementations, except BaseIter

The removed test for issue #2611 is well covered by the `std::iterator`
module itself.

This adds the `count` method to `IteratorUtil` to replace `EqIter`.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libextra/net_ip.rs b/src/libextra/net_ip.rs
index 518a9d8685a..91c357088c9 100644
--- a/src/libextra/net_ip.rs
+++ b/src/libextra/net_ip.rs
@@ -205,7 +205,7 @@ pub mod v4 {
         }).collect();
         if parts.len() != 4 {
             Err(fmt!("'%s' doesn't have 4 parts", ip))
-        } else if parts.contains(&256) {
+        } else if parts.iter().any_(|x| *x == 256u) {
             Err(fmt!("invalid octal in addr '%s'", ip))
         } else {
             Ok(Ipv4Rep {