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Added explanation for E0391 #27318

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Merged
merged 2 commits into from
Jul 29, 2015
Merged

Added explanation for E0391 #27318

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ecfe58e
Added explanation for E0391
soon Jul 27, 2015
9125400
Fixed grammar
soon Jul 27, 2015
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18 changes: 17 additions & 1 deletion src/librustc_typeck/diagnostics.rs
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Expand Up @@ -2215,6 +2215,23 @@ For more information see the [opt-in builtin traits RFC](https://github.com/rust
-lang/rfcs/blob/master/text/0019-opt-in-builtin-traits.md).
"##,

E0391: r##"
This error indicates that some types or traits depends on each other
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depend

and therefore could not be constructed properly.
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and another couple of nits: s/could not/cannot, s/ properly//


The following example contains circular dependency between two traits:
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nit: "contains a circular"


```
trait FirstTrait : SecondTrait {

}

trait SecondTrait : FirstTrait {

}
```
"##,

E0392: r##"
This error indicates that a type or lifetime parameter has been declared
but not actually used. Here is an example that demonstrates the error:
Expand Down Expand Up @@ -2370,7 +2387,6 @@ register_diagnostics! {
// between structures with the same definition
E0390, // only a single inherent implementation marked with
// `#[lang = \"{}\"]` is allowed for the `{}` primitive
E0391, // unsupported cyclic reference between types/traits detected
E0393, // the type parameter `{}` must be explicitly specified in an object
// type because its default value `{}` references the type `Self`"
E0399, // trait items need to be implemented because the associated
Expand Down