c6205055e0
Centralize emitting an error in `const_to_pat` so that all errors from that evaluating a `const` in a pattern can add addditional information. With this, now point at the `const` item's definition:
```
error[E0158]: constant pattern depends on a generic parameter
--> $DIR/associated-const-type-parameter-pattern.rs:20:9
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LL | pub trait Foo {
| -------------
LL | const X: EFoo;
| ------------- constant defined here
...
LL | A::X => println!("A::X"),
| ^^^^
```
12 lines
343 B
Plaintext
12 lines
343 B
Plaintext
error: cannot use unsized non-slice type `Username` in constant patterns
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--> $DIR/issue-87046.rs:28:13
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LL | pub const ROOT_USER: &Username = Username::from_str("root");
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| ------------------------------ constant defined here
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...
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LL | ROOT_USER => true,
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| ^^^^^^^^^
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error: aborting due to 1 previous error
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