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Rollup merge of #70146 - GuillaumeGomez:cleanup-e0438, r=Dylan-DPC

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Clean up e0438 explanation

r? @Dylan-DPC
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Yuki Okushi 2020-03-20 17:02:12 +09:00 • committed by GitHub
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9
src/librustc_error_codes/error_codes/E0438.md
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@ -1,7 +1,5 @@
Trait implementations can only implement associated constants that are
members of the trait in question. This error indicates that you
attempted to implement an associated constant whose name does not
match the name of any associated constant in the trait.
An associated constant whose name does not match any of the associated constants
in the trait was used when implementing the trait.
Erroneous code example:
@ -13,6 +11,9 @@ impl Foo for i32 {
}
```
Trait implementations can only implement associated constants that are
members of the trait in question.
The solution to this problem is to remove the extraneous associated constant:
```