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Add example for E0390

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This commit is contained in:
Guillaume Gomez 2015-08-23 00:50:19 +02:00
parent 73b369d7ab
commit 565070948f
1 changed files with 14 additions and 8 deletions
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22
src/librustc_typeck/diagnostics.rs
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@ -2482,7 +2482,8 @@ impl Foo for Bar {
}
```
To fix this error, please verify you didn't misspell the method name. Example:
To fix this error, please verify that the method name wasn't misspelled and
verify that you are indeed implementing the correct trait items. Example:
```
struct Bar;
@ -2519,9 +2520,8 @@ impl Foo for Bar {
}
```
To fix this error, please verify you didn't misspell the associated type name
and that your trait item implementation corresponds to the trait definition.
Example:
Please verify that the associated type name wasn't misspelled and your
implementation corresponds to the trait definition. Example:
```
struct Bar;
@ -2722,8 +2722,8 @@ let x = 12f32; // error: binary operation `<<` cannot be applied to
x << 2;
```
To fix this error, please check this type implements this binary operation.
Example:
To fix this error, please check that this type implements this binary
operation. Example:
```
let x = 12u32; // the `u32` type does implement it:
@ -2775,7 +2775,8 @@ For more information see the [opt-in builtin traits RFC](https://github.com/rust
"##,
E0390: r##"
You tried to implement on an `*mut T` type. Erroneous code example:
You tried to implement methods for a mutable raw pointer (*mut T). Erroneous
code example:
```
struct Foo {
@ -2787,7 +2788,12 @@ impl *mut Foo {}
// `#[lang = "mut_ptr"]` is allowed for the `*mut T` primitive
```
To fix this, please follow the compiler recommendations.
This isn't allowed, perhaps you might get the desired effects by wrapping the
raw pointer in a struct. Example:
```
struct FooPtr(pub *mut Foo);
```
"##,
E0391: r##"