mozilla/rust — pull request #14769 by tomjakubowski (2014-06-09 08:50:10+00:00)
Title: collections: Add missing Default impls

Add `Default` impls for `TreeMap`, `TreeSet`, `SmallIntMap`, `BitvSet`, `DList`,
`PriorityQueue`, `RingBuf`, `TrieMap`, and `TrieSet`.