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std::intrinsics::get_tydesc will only accept sized types #21058

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Diggsey opened this issue Jan 12, 2015 · 0 comments · Fixed by #21170
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std::intrinsics::get_tydesc will only accept sized types #21058

Diggsey opened this issue Jan 12, 2015 · 0 comments · Fixed by #21170
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A-type-system Area: Type system

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@Diggsey
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Diggsey commented Jan 12, 2015

Although it's currently marked as unstable, it's really useful to be able to introspect the type system when debugging, and there doesn't seem to be any reason why get_tydesc can't take dynamically sized types.
@kmcallister kmcallister added the A-type-system Area: Type system label Jan 12, 2015
@Diggsey Diggsey mentioned this issue Jan 15, 2015
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alexcrichton added a commit to alexcrichton/rust that referenced this issue Jan 15, 2015
@alexcrichton
rollup merge of rust-lang#21170: Diggsey/issue-21058
7c967af 
While it's unstable and will probably be replaced or "reformed" at some point, it's useful in the mean time to be able to introspect the type system when debugging, and not be limited to sized types.

Fixes rust-lang#21058
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Allow passing unsized types to std::intrinsics::get_tydesc Diggsey/rust
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