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rustc should offer a hint when trying to coerce a fat pointer into a thin pointer #4893

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brson opened this issue Feb 12, 2013 · 3 comments
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rustc should offer a hint when trying to coerce a fat pointer into a thin pointer #4893

brson opened this issue Feb 12, 2013 · 3 comments
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A-type-system Area: Type system

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@brson
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brson commented Feb 12, 2013

It's not immediately obvious why ~[int] won't borrow to &T. This situation comes up a lot. It should not be hard for the compiler to notice this and tell you.
@catamorphism
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Nominating for milestone 5, production-ready. I agree that this can be very confusing for new Rust programmers.

@nikomatsakis
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Would be a moot point if #6308 goes in

@graydon
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graydon commented May 16, 2013

dupe of #6308

@graydon graydon closed this as completed May 16, 2013
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@graydon @brson @nikomatsakis @catamorphism