rust-lang/rust — pull request #19592 by jbranchaud (2014-12-06 05:58:03+00:00)
Title: Add a doctest for BTreeMap's iter method.

I'm interested in including doctests for `BTreeMap`'s `iter_mut` and `into_iter` methods in this PR as well, but I am not sure of the best way to demonstrate/test what they do for the doctests.