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| author | bors <bors@rust-lang.org> | 2020-11-25 05:10:53 +0000 |
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| committer | bors <bors@rust-lang.org> | 2020-11-25 05:10:53 +0000 |
| commit | b387f62d4d0e9aa109660c6ede426ec48cb67d53 (patch) | |
| tree | a70c80f6e2ec478f15b7daf97a7d9089c50939fe /compiler/rustc_mir/src/transform/coverage/debug.rs | |
| parent | 3f7ccb4cf59ba79a656f07179aac36e4580a8706 (diff) | |
| parent | 3b015622be1245d00e2663ba3da38a00ceb583fb (diff) | |
| download | rust-b387f62d4d0e9aa109660c6ede426ec48cb67d53.tar.gz rust-b387f62d4d0e9aa109660c6ede426ec48cb67d53.zip | |
Auto merge of #77491 - lukaslueg:peek_mut, r=m-ou-se
Proposal to add Peekable::peek_mut A "peekable" iterator has a `peek()`-method which provides an immutable reference to the next item. We currently do not have a method to modify that item, which we could easily add via a `peek_mut()`. See the test for a use-case (alike to my original use case), where a "pristine" iterator is passed on after modifying its state via `peek_mut()`. If there is interest in this, I can expand on the tests and docs.
Diffstat (limited to 'compiler/rustc_mir/src/transform/coverage/debug.rs')
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