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Cleanup err codes #67547

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merged 3 commits into from
Dec 24, 2019
Merged

Cleanup err codes #67547

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4ee18c9
Clean up E0124 explanation
GuillaumeGomez Dec 22, 2019
1474d2a
Clean up E0128 explanation
GuillaumeGomez Dec 22, 2019
256eec4
Update E0124.md
Dylan-DPC Dec 23, 2019
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5 changes: 3 additions & 2 deletions src/librustc_error_codes/error_codes/E0124.md
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Original file line number Diff line number Diff line change
@@ -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 {
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9 changes: 5 additions & 4 deletions src/librustc_error_codes/error_codes/E0128.md
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Original file line number Diff line number Diff line change
@@ -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
Expand All @@ -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> {
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