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New lint: detect needless character iteration #4817

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euclio opened this issue Nov 14, 2019 · 0 comments · Fixed by #12815
Closed

New lint: detect needless character iteration #4817

euclio opened this issue Nov 14, 2019 · 0 comments · Fixed by #12815
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@GuillaumeGomez
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A-lint Area: New lints

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@euclio
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euclio commented Nov 14, 2019

As pointed out in #4796, it would be nice to catch instances of

"foo".chars().all(|c| c.is_ascii())

and replace it with

"foo".is_ascii()
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@GuillaumeGomez GuillaumeGomez

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Add needless_character_iteration lint GuillaumeGomez/rust-clippy
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@euclio @GuillaumeGomez @JohnTitor