From: Corey Farwell <coreyf@rwell.org>
Date: Tue, 23 May 2017 04:15:42 +0000 (-0400)
Subject: Rollup merge of #42122 - rust-lang:frewsxcv/unstable-book, r=steveklabnik
X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=7a7e2360765e5ce2eb0ad5da409da24f440dc68f;p=rust.git

Rollup merge of #42122 - rust-lang:frewsxcv/unstable-book, r=steveklabnik

Add a few entries to the Unstable Book.
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7a7e2360765e5ce2eb0ad5da409da24f440dc68f