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Rollup merge of rust-lang#127780 - compiler-errors:zip-args, r=jieyouxu Make sure trait def ids match before zipping args in `note_function_argument_obligation` Fixes rust-lang#126416 Fixes rust-lang#127745 Didn't add both tests b/c I felt like it was unnecessary.
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,23 @@ | ||
trait Output<'a> { | ||
type Type; | ||
} | ||
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struct Wrapper; | ||
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impl Wrapper { | ||
fn do_something_wrapper<O, F>(self, _: F) | ||
//~^ ERROR the trait bound `for<'a> F: Output<'a>` is not satisfied | ||
//~| ERROR the trait bound `for<'a> F: Output<'a>` is not satisfied | ||
where | ||
F: for<'a> FnOnce(<F as Output<'a>>::Type), | ||
//~^ ERROR the trait bound `F: Output<'_>` is not satisfied | ||
//~| ERROR the trait bound `F: Output<'_>` is not satisfied | ||
{ | ||
} | ||
} | ||
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fn main() { | ||
let mut wrapper = Wrapper; | ||
wrapper.do_something_wrapper(|value| ()); | ||
//~^ ERROR expected a `FnOnce | ||
} |
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error[E0277]: the trait bound `for<'a> F: Output<'a>` is not satisfied | ||
--> $DIR/filter-relevant-fn-bounds.rs:8:5 | ||
| | ||
LL | / fn do_something_wrapper<O, F>(self, _: F) | ||
LL | | | ||
LL | | | ||
LL | | where | ||
LL | | F: for<'a> FnOnce(<F as Output<'a>>::Type), | ||
| |___________________________________________________^ the trait `for<'a> Output<'a>` is not implemented for `F` | ||
| | ||
help: consider further restricting this bound | ||
| | ||
LL | F: for<'a> FnOnce(<F as Output<'a>>::Type) + for<'a> Output<'a>, | ||
| ++++++++++++++++++++ | ||
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error[E0277]: the trait bound `for<'a> F: Output<'a>` is not satisfied | ||
--> $DIR/filter-relevant-fn-bounds.rs:8:8 | ||
| | ||
LL | fn do_something_wrapper<O, F>(self, _: F) | ||
| ^^^^^^^^^^^^^^^^^^^^ the trait `for<'a> Output<'a>` is not implemented for `F` | ||
| | ||
help: consider further restricting this bound | ||
| | ||
LL | F: for<'a> FnOnce(<F as Output<'a>>::Type) + for<'a> Output<'a>, | ||
| ++++++++++++++++++++ | ||
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error[E0277]: the trait bound `F: Output<'_>` is not satisfied | ||
--> $DIR/filter-relevant-fn-bounds.rs:12:12 | ||
| | ||
LL | F: for<'a> FnOnce(<F as Output<'a>>::Type), | ||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Output<'_>` is not implemented for `F` | ||
| | ||
help: consider further restricting this bound | ||
| | ||
LL | F: for<'a> FnOnce(<F as Output<'a>>::Type) + Output<'_>, | ||
| ++++++++++++ | ||
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error[E0277]: the trait bound `F: Output<'_>` is not satisfied | ||
--> $DIR/filter-relevant-fn-bounds.rs:12:20 | ||
| | ||
LL | F: for<'a> FnOnce(<F as Output<'a>>::Type), | ||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Output<'_>` is not implemented for `F` | ||
| | ||
help: consider further restricting this bound | ||
| | ||
LL | F: for<'a> FnOnce(<F as Output<'a>>::Type) + Output<'_>, | ||
| ++++++++++++ | ||
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error[E0277]: expected a `FnOnce(<{closure@$DIR/filter-relevant-fn-bounds.rs:21:34: 21:41} as Output<'a>>::Type)` closure, found `{closure@$DIR/filter-relevant-fn-bounds.rs:21:34: 21:41}` | ||
--> $DIR/filter-relevant-fn-bounds.rs:21:34 | ||
| | ||
LL | wrapper.do_something_wrapper(|value| ()); | ||
| -------------------- ^^^^^^^^^^ expected an `FnOnce(<{closure@$DIR/filter-relevant-fn-bounds.rs:21:34: 21:41} as Output<'a>>::Type)` closure, found `{closure@$DIR/filter-relevant-fn-bounds.rs:21:34: 21:41}` | ||
| | | ||
| required by a bound introduced by this call | ||
| | ||
= help: the trait `for<'a> Output<'a>` is not implemented for closure `{closure@$DIR/filter-relevant-fn-bounds.rs:21:34: 21:41}` | ||
help: this trait has no implementations, consider adding one | ||
--> $DIR/filter-relevant-fn-bounds.rs:1:1 | ||
| | ||
LL | trait Output<'a> { | ||
| ^^^^^^^^^^^^^^^^ | ||
note: required by a bound in `Wrapper::do_something_wrapper` | ||
--> $DIR/filter-relevant-fn-bounds.rs:12:12 | ||
| | ||
LL | fn do_something_wrapper<O, F>(self, _: F) | ||
| -------------------- required by a bound in this associated function | ||
... | ||
LL | F: for<'a> FnOnce(<F as Output<'a>>::Type), | ||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Wrapper::do_something_wrapper` | ||
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error: aborting due to 5 previous errors | ||
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For more information about this error, try `rustc --explain E0277`. |