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#[const_trait] and super trait error #100222

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fee1-dead opened this issue Aug 7, 2022 · 0 comments · Fixed by #100336
Closed

#[const_trait] and super trait error #100222

fee1-dead opened this issue Aug 7, 2022 · 0 comments · Fixed by #100336
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C-bug Category: This is a bug.

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I tried this code:

#![feature(const_trait_impl)]

#[const_trait]
pub trait Index {
    type Output;
}

#[const_trait]
pub trait IndexMut: Index {
    fn foo(&mut self) -> <Self as Index>::Output;
}

I expected to see this happen: compiles
Instead, this happened: errors

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@fee1-dead fee1-dead added the C-bug Category: This is a bug. label Aug 7, 2022
@fee1-dead fee1-dead self-assigned this Aug 7, 2022
@fee1-dead fee1-dead mentioned this issue Aug 9, 2022
Merged
Dylan-DPC added a commit to Dylan-DPC/rust that referenced this issue Aug 22, 2022
@Dylan-DPC
Rollup merge of rust-lang#100336 - fee1-dead-contrib:fix-wf-const-tra…
1a92d96 
…it, r=oli-obk

Fix two const_trait_impl issues

r? `@oli-obk`

Fixes rust-lang#100222.
Fixes rust-lang#100543.
@bors bors closed this as completed in 14c8a68 Aug 22, 2022
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Fix two const_trait_impl issues fee1-dead-contrib/rust
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