Add Option::filter() according to RFC 2124
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kennytm
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dtolnay
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Nov 8, 2017
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@rust-lang/libs this is adding an unstable fn filter<P>(self, predicate: P) -> Self
where
P: FnOnce(&T) -> bool |
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@bors r+ |
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📌 Commit e652144 has been approved by |
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…r=dtolnay Add `Option::filter()` according to RFC 2124 (*old PR: rust-lang#44996) This is the implementation of [RFC "Add `Option::filter` to the standard library"](rust-lang/rfcs#2124). Tracking issue: rust-lang#45860 **Questions for code reviewers:** - Is the documentation sufficiently long? - Is the documentation easy enough to understand? - Is the position of the new method (after `and_then()`) a good one?
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I haven't been following the discussion on this closely but wouldn't this method be more flexible if the Then again, this method acts similarly to |
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@nvzqz please mention concerns or suggestions like this in the tracking issue to have all discussion in one place. Thanks :) |
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(old PR: #44996)
This is the implementation of RFC "Add
Option::filterto the standard library". Tracking issue: #45860Questions for code reviewers:
and_then()) a good one?