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Add explanation for E0379

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This commit is contained in:
Guillaume Gomez 2020-03-03 13:30:17 +01:00
parent 01a8b5f26e
commit c92267a863
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12
src/librustc_error_codes/error_codes/E0379.md
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@ -1,3 +1,15 @@
A trait method was declared const.
Erroneous code example:
```compile_fail,E0379
#![feature(const_fn)]
trait Foo {
const fn bar() -> u32; // error!
}
```
Trait methods cannot be declared `const` by design. For more information, see
[RFC 911].