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typeof #2

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cramertj opened this issue Jun 5, 2017 · 0 comments
Open

typeof #2

cramertj opened this issue Jun 5, 2017 · 0 comments
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P-nice-to-have

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@cramertj
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cramertj commented Jun 5, 2017 •
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This isn't strictly an impl Trait proposal, but it interacts heavily with abstract return types.

In particular, it'd be nice to be able to write typeof(my_func)::Output to refer to the return type of an impl Trait-returning function. (Note: this could require some shenanigans to avoid having to specify <typeof(my_func) as Fn<_>>::Output>.)
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