mozilla/rust — pull request #13458 by huonw (2014-04-11 10:20:33+00:00)
Title: Add more type signatures to the docs; tweak a few of them.

Add more type signatures to the docs; tweak a few of them.

Someone reading the docs won't know what the types of various things
are, so this adds them in a few meaningful places to help with
comprehension.

cc #13423.