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lint uses of dynamic dispatch where static dispatch would be possible #892

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oli-obk opened this issue May 2, 2016 · 1 comment
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lint uses of dynamic dispatch where static dispatch would be possible #892

oli-obk opened this issue May 2, 2016 · 1 comment

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@oli-obk
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oli-obk commented May 2, 2016 •
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New users' code or refactored code might end up containing e.g. functions taking a &Fn() as an argument, when they could take a generic &T that has a T: Fn() trait bound instead.

Linting this in a "perfect" way is obviously (too?) hard. But simple cases could be caught for now and the lint could be replaced by a full blown proof $whenever_someone_is_highly_motivated

Related RFC: rust-lang/rfcs#1603 (comment)
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oli-obk commented May 12, 2016

duplicate of #14

@oli-obk oli-obk closed this as completed May 12, 2016
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