mirror of https://github.com/rust-lang/rust
30 lines
1.0 KiB
Rust
30 lines
1.0 KiB
Rust
// Check that we get an error when you use `<Self as Get>::Value` in
|
|
// the trait definition but `Self` does not, in fact, implement `Get`.
|
|
//
|
|
// See also associated-types-no-suitable-supertrait-2.rs, which checks
|
|
// that we see the same error if we get around to checking the default
|
|
// method body.
|
|
//
|
|
// See also run-pass/associated-types-projection-to-unrelated-trait.rs,
|
|
// which checks that the trait interface itself is not considered an
|
|
// error as long as all impls satisfy the constraint.
|
|
|
|
trait Get {
|
|
type Value;
|
|
}
|
|
|
|
trait Other {
|
|
fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) {}
|
|
//~^ ERROR the trait bound `Self: Get` is not satisfied
|
|
//~| ERROR the trait bound `Self: Get` is not satisfied
|
|
}
|
|
|
|
impl<T:Get> Other for T {
|
|
fn uhoh<U:Get>(&self, foo: U, bar: <(T, U) as Get>::Value) {}
|
|
//~^ ERROR the trait bound `(T, U): Get` is not satisfied
|
|
//~| ERROR the trait bound `(T, U): Get` is not satisfied
|
|
//~| ERROR the trait bound `(T, U): Get` is not satisfied
|
|
}
|
|
|
|
fn main() { }
|