aggregated small commits#7657

Merged

bors merged 7 commits intorust-lang:masterfrom

thestinger:rollup

Jul 10, 2013

Commits on Jul 9, 2013

remove the unused exchange_malloc `align` parameter
thestinger
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std: Implement `Iterator::size_hint` method for `Option` iterators

apasel422
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Impl Not for bool

brendanzab
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bright white for the message, similar to clang

Lenny222
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thestinger
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Fix typo in docs for MutableCloneableVector

lilyball
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rm silly compile-fail test
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Require `extern "Rust" fn main()` exactly

alexcrichton
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thestinger
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