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Implement Testable for Fn* instead? #161

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nagisa opened this issue Feb 26, 2017 · 1 comment
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Implement Testable for Fn* instead? #161

nagisa opened this issue Feb 26, 2017 · 1 comment

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@nagisa
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nagisa commented Feb 26, 2017

Currently Testable is implemented for function pointers, but there’s no reason (is there?) it couldn’t be implemented for Fn and FnMut (also abstracting over the fn pointer implementations).
@BurntSushi
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@nagisa I've tried and failed several times. This issue specifically is a dupe of #56, which is blocked on rust-lang/rust#25041. Judging by the labeling, it sounds like there are no bugs, so this may never happen based on the path I was following at least.

I welcome others to attack this problem.

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@BurntSushi @nagisa