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Ability to pass ownership of unsized types #990

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nikomatsakis opened this issue Mar 19, 2015 · 1 comment
Open

Ability to pass ownership of unsized types #990

nikomatsakis opened this issue Mar 19, 2015 · 1 comment
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T-lang Relevant to the language team, which will review and decide on the RFC.

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@nikomatsakis
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Currently you can't use unsized types as parameters or return values. There are good reasons to support this, including passing closures to fns and being able to write things like Rc::new(*slice) where slice has type Box<[T]> or what have you.

Postponed RFCs:
This was referenced Mar 19, 2015
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@petrochenkov petrochenkov added the T-lang Relevant to the language team, which will review and decide on the RFC. label Jan 29, 2018
@Centril
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Centril commented Oct 7, 2018

cc #1909 and rust-lang/rust#48055

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@nikomatsakis @Centril @petrochenkov