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impl Trait for .. {} does not require a feature gate #23225

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alexcrichton opened this issue Mar 9, 2015 · 3 comments · Fixed by #23211
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impl Trait for .. {} does not require a feature gate #23225

alexcrichton opened this issue Mar 9, 2015 · 3 comments · Fixed by #23211
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@flaper87
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1.0 beta

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@alexcrichton
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I suspect that we may want more experience with this syntax before freezing it, but I may also be misremembering!

cc @nikomatsakis
cc @flaper87
@alexcrichton
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triage: I-nominated

@flaper87
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@alexcrichton I believe you're right. I'll work on a fix for this. Here's a test case:

use std::marker::MarkerTrait;

trait Test: MarkerTrait {}

impl Test for .. {}

fn main() {}

@flaper87 flaper87 self-assigned this Mar 10, 2015
This was referenced Mar 10, 2015
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@pnkfelix
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1.0 beta, P-backcompat-lang.

@pnkfelix pnkfelix added this to the 1.0 beta milestone Mar 19, 2015
alexcrichton added a commit to alexcrichton/rust that referenced this issue Mar 23, 2015
@alexcrichton
rollup merge of rust-lang#23211: FlaPer87/oibit-send-and-friends
ec1a85a 
Fixes rust-lang#23225

r? @nikomatsakis
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Add defaulted impls for Send and Sync flaper87/rust
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@flaper87 @alexcrichton @pnkfelix