rust/tests/ui/error-codes/E0401.stderr

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error[E0401]: can't use generic parameters from outer item
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--> $DIR/E0401.rs:4:39
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|
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LL | fn foo<T>(x: T) {
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| - type parameter from outer item
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LL | fn bfnr<U, V: Baz<U>, W: Fn()>(y: T) {
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| - ^ use of generic parameter from outer item
| |
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| help: try introducing a local generic parameter here: `T,`
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error[E0401]: can't use generic parameters from outer item
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--> $DIR/E0401.rs:9:16
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|
LL | fn foo<T>(x: T) {
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| - type parameter from outer item
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...
LL | fn baz<U,
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| - help: try introducing a local generic parameter here: `T,`
...
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LL | (y: T) {
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| ^ use of generic parameter from outer item
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error[E0401]: can't use generic parameters from outer item
--> $DIR/E0401.rs:24:25
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|
LL | impl<T> Iterator for A<T> {
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| ---- `Self` type implicitly declared here, by this `impl`
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...
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LL | fn helper(sel: &Self) -> u8 {
| ^^^^
| |
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| use of generic parameter from outer item
| refer to the type directly here instead
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error[E0283]: type annotations needed
--> $DIR/E0401.rs:11:5
|
LL | bfnr(x);
| ^^^^ cannot infer type of the type parameter `V` declared on the function `bfnr`
|
= note: cannot satisfy `_: Baz<_>`
note: required by a bound in `bfnr`
--> $DIR/E0401.rs:4:19
|
LL | fn bfnr<U, V: Baz<U>, W: Fn()>(y: T) {
| ^^^^^^ required by this bound in `bfnr`
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help: consider specifying the generic arguments
|
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LL | bfnr::<U, V, W>(x);
| +++++++++++
error[E0283]: type annotations needed
--> $DIR/E0401.rs:11:5
|
LL | bfnr(x);
| ^^^^ cannot infer type of the type parameter `W` declared on the function `bfnr`
|
= note: multiple `impl`s satisfying `_: Fn<()>` found in the following crates: `alloc`, `core`:
- impl<A, F> Fn<A> for &F
where A: Tuple, F: Fn<A>, F: ?Sized;
- impl<Args, F, A> Fn<Args> for Box<F, A>
where Args: Tuple, F: Fn<Args>, A: Allocator, F: ?Sized;
note: required by a bound in `bfnr`
--> $DIR/E0401.rs:4:30
|
LL | fn bfnr<U, V: Baz<U>, W: Fn()>(y: T) {
| ^^^^ required by this bound in `bfnr`
help: consider specifying the generic arguments
|
LL | bfnr::<U, V, W>(x);
| +++++++++++
error: aborting due to 5 previous errors
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Some errors have detailed explanations: E0283, E0401.
For more information about an error, try `rustc --explain E0283`.