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Rollup merge of #67547 - GuillaumeGomez:cleanup-err-codes, r=Dylan-DPC

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Cleanup err codes

r? @Dylan-DPC
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Mazdak Farrokhzad 2019-12-24 04:39:57 +01:00 committed by GitHub
commit d130e8d550
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2 changed files with 8 additions and 6 deletions
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5
src/librustc_error_codes/error_codes/E0124.md
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@ -1,5 +1,6 @@
You declared two fields of a struct with the same name. Erroneous code
example:
A struct was declared with two fields having the same name.
Erroneous code example:
```compile_fail,E0124
struct Foo {

9
src/librustc_error_codes/error_codes/E0128.md
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@ -1,4 +1,5 @@
Type parameter defaults can only use parameters that occur before them.
A type parameter with default value is using forward declared identifier.
Erroneous code example:
```compile_fail,E0128
@ -7,11 +8,11 @@ struct Foo<T = U, U = ()> {
field2: U,
}
// error: type parameters with a default cannot use forward declared
// identifiers
// identifiers
```
Since type parameters are evaluated in-order, you may be able to fix this issue
by doing:
Type parameter defaults can only use parameters that occur before them. Since
type parameters are evaluated in-order, this issue could be fixed by doing:
```
struct Foo<U = (), T = U> {