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| author | bors <bors@rust-lang.org> | 2018-01-11 12:22:54 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2018-01-11 12:22:54 +0000 |
| commit | 73ac5d6a80f26c692f1e084b72d69637d7de2c8c (patch) | |
| tree | d15437596327bad850bf1ef4f07d3bc5abe26005 /src/libsyntax/parse | |
| parent | 619ced057842a25f8700237a9c22a6f5c318a954 (diff) | |
| parent | 919d643b7953ea1b3b717d31f0735423d97b87ca (diff) | |
| download | rust-73ac5d6a80f26c692f1e084b72d69637d7de2c8c.tar.gz rust-73ac5d6a80f26c692f1e084b72d69637d7de2c8c.zip | |
Auto merge of #47180 - varkor:range-iterator-overrides, r=alexcrichton
Add iterator method specialisations to Range* Add specialised implementations of `max` for `Range`, and `last`, `min` and `max` for `RangeInclusive`, all of which lead to significant advantages in the generated assembly on x86. Note that adding specialisations of `min` and `last` for `Range` led to no benefit, and adding `sum` for `Range` and `RangeInclusive` led to type inference issues (though this is possibly still worthwhile considering the performance gain). This addresses some of the concerns in #39975.
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