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Tracking issue for existential types (RFC 2071) #44685

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withoutboats opened this issue Sep 18, 2017 · 4 comments
Closed
3 tasks

Tracking issue for existential types (RFC 2071) #44685

withoutboats opened this issue Sep 18, 2017 · 4 comments
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A-impl-trait Area: impl Trait. Universally / existentially quantified anonymous types with static dispatch. A-traits Area: Trait system A-typesystem Area: The type system C-tracking-issue Category: A tracking issue for an RFC or an unstable feature. T-lang Relevant to the language team, which will review and decide on the PR/issue.

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@withoutboats
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This is the tracking issue for existential types, a part of rust-lang/rfcs#2071

Blocking stabilization:

  • Implement
  • Document
  • Decide final syntax
@withoutboats withoutboats added A-impl-trait Area: impl Trait. Universally / existentially quantified anonymous types with static dispatch. A-traits Area: Trait system A-typesystem Area: The type system C-tracking-issue Category: A tracking issue for an RFC or an unstable feature. T-lang Relevant to the language team, which will review and decide on the PR/issue. labels Sep 18, 2017
@nikomatsakis
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I am closing this as a duplicate of #34511

@Tyler-Hardin
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I don't see a mention of anything like this in the referenced duplicate. It might be good to add it to the todo list there if this is going to be closed as a dup. (I would do it myself, but I barely grasp the RFC, and even then only in the specific context in which it would be useful to me.)

@Ekleog
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Ekleog commented May 13, 2018

@aturon This tracking issue having been closed in favor of #34511, would it be possible to update the checklist up there with tracking information for this feature, so that it's easy to figure out whether this part of rust-lang/rfcs#2071 has been implemented, is still under debate, is pending stabilisation, etc.? :)

@jethrogb
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I think the relevant issue is #63063

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Labels
A-impl-trait Area: impl Trait. Universally / existentially quantified anonymous types with static dispatch. A-traits Area: Trait system A-typesystem Area: The type system C-tracking-issue Category: A tracking issue for an RFC or an unstable feature. T-lang Relevant to the language team, which will review and decide on the PR/issue.
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