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Clean up err codes #68176

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merged 2 commits into from
Jan 14, 2020
Merged

Clean up err codes #68176

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11f7418
Clean up E0191 explanation
GuillaumeGomez Jan 13, 2020
3ec0a84
Clean up E0192 explanation
GuillaumeGomez Jan 13, 2020
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10 changes: 6 additions & 4 deletions src/librustc_error_codes/error_codes/E0191.md
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
Trait objects need to have all associated types specified. Erroneous code
example:
An associated type wasn't specified for a trait object.

Erroneous code example:

```compile_fail,E0191
trait Trait {
Expand All @@ -10,8 +11,9 @@ type Foo = Trait; // error: the value of the associated type `Bar` (from
// the trait `Trait`) must be specified
```

Please verify you specified all associated types of the trait and that you
used the right trait. Example:
Trait objects need to have all associated types specified. Please verify that
all associated types of the trait were specified and the correct trait was used.
Example:

```
trait Trait {
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16 changes: 16 additions & 0 deletions src/librustc_error_codes/error_codes/E0192.md
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@@ -1,3 +1,19 @@
A negative impl was added on a trait implementation.

Erroneous code example:

```compile_fail,E0192
trait Trait {
type Bar;
}

struct Foo;

impl !Trait for Foo { } //~ ERROR E0192

fn main() {}
```

Negative impls are only allowed for auto traits. For more
information see the [opt-in builtin traits RFC][RFC 19].

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