| //@ revisions: current next |
| //@[next] compile-flags: -Znext-solver |
| //@ ignore-compare-mode-next-solver (explicit revisions) |
| |
| // When emitting an error for `Foo: Trait` not holding we attempt to find a nested goal |
| // to give as the reason why the bound does not hold. This test checks that we do not |
| // try to tell the user that `Foo: FnPtr` is unimplemented as that would be confusing. |
| |
| #![feature(fn_ptr_trait)] |
| |
| use std::marker::FnPtr; |
| |
| trait Trait {} |
| |
| impl<T: FnPtr> Trait for T {} |
| |
| struct Foo; //~ HELP: the trait `Trait` is not implemented for `Foo` |
| |
| fn requires_trait<T: Trait>(_: T) {} |
| //~^ NOTE: required by a bound in `requires_trait` |
| //~| NOTE: required by this bound in `requires_trait` |
| |
| fn main() { |
| requires_trait(Foo); |
| //~^ ERROR: the trait bound `Foo: Trait` is not satisfied |
| //~| NOTE: unsatisfied trait bound |
| //~| NOTE: required by a bound introduced by this call |
| } |
