Steve Klabnik c7279b4214 Rollup merge of #24775 - mbrubeck:reference, r=steveklabnik
Update 7.2.20 (`for` expressions):

* `for` loops now use `IntoIterator` instead of just `Iterator`
* Simplify the example by removing unnecessary `Vec::iter` call.

...and a fix for a minor formatting error.

r? @steveklabnik
2015-04-24 22:54:27 -04:00
..
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