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Document more precisely the rules for selecting closure traits. #219

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alercah opened this issue Jan 31, 2018 · 0 comments · Fixed by #249
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Document more precisely the rules for selecting closure traits. #219

alercah opened this issue Jan 31, 2018 · 0 comments · Fixed by #249
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Enhancement Improvement in a non-prose section of the book New Content Missing features or aspects of language not currently documented.

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alercah commented Jan 31, 2018

Currently, the reference is vague about when a closure is Fn or FnMut (all closures are FnOnce). Currently, the closures page merely says that the compiler will work it out, but we need to be more specific about precisely what the semantics are.

It may be worth rewriting this page in general to be more authoritative as well.
@alercah alercah added Enhancement Improvement in a non-prose section of the book New Content Missing features or aspects of language not currently documented. labels Jan 31, 2018
@alercah alercah mentioned this issue Jan 31, 2018
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@alercah alercah self-assigned this Feb 10, 2018
@alercah alercah mentioned this issue Feb 20, 2018
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Improve documentation on closure types. alercah/reference
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