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Rollup merge of #37565 - mglagla:peek_use_as_ref, r=alexcrichton
authorAlex Crichton <alex@alexcrichton.com>
Fri, 4 Nov 2016 23:49:31 +0000 (16:49 -0700)
committerAlex Crichton <alex@alexcrichton.com>
Sat, 5 Nov 2016 17:50:23 +0000 (10:50 -0700)
Peekable::peek(): Use Option::as_ref()

Replace the match expression in .peek() with Option::as_ref() since it's the same functionality.

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src/libcore/iter/mod.rs patch | diff1 | diff2 | blob | history

diff --cc src/libcore/iter/mod.rs
Simple merge
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