Use stable code in doc examples (libcollections)#25588

Merged

bors merged 3 commits intorust-lang:masterfrom

bluss:doc-string-from

May 20, 2015

Commits on May 19, 2015

collections: Avoid unstable code in examples for String
Ulrik Sverdrup
committed
collections: Avoid unstable code in examples for Vec
Ulrik Sverdrup
committed
collections: Clean up feature flags doc examples
Ulrik Sverdrup
committed