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trait A {
type Type; //~ NOTE ambiguous `Type` from `A`
const CONST: usize = 1; //~ NOTE candidate #1
fn foo(&self); //~ NOTE candidate #1
}
trait B {
type Type; //~ NOTE ambiguous `Type` from `B`
const CONST: usize; //~ NOTE candidate #2
fn foo(&self); //~ NOTE candidate #2
}
trait C: A + B {}
fn a<T: C>(t: T) {
t.foo(); //~ ERROR multiple applicable items in scope
//~^ NOTE multiple `foo` found
//~| HELP disambiguate the method
//~| HELP disambiguate the method
let _ = T::CONST; //~ ERROR multiple applicable items in scope
//~^ NOTE multiple `CONST` found
//~| HELP use fully-qualified syntax
let _: T::Type; //~ ERROR ambiguous associated type
//~^ NOTE ambiguous associated type `Type`
//~| HELP use fully-qualified syntax
//~| HELP use fully-qualified syntax
}
#[derive(Debug)]
struct S;
impl<T: std::fmt::Debug> A for T {
type Type = ();
const CONST: usize = 1; //~ NOTE candidate #1
fn foo(&self) {} //~ NOTE candidate #1
}
impl<T: std::fmt::Debug> B for T {
type Type = ();
const CONST: usize = 1; //~ NOTE candidate #2
fn foo(&self) {} //~ NOTE candidate #2
}
fn main() {
let s = S;
S::foo(&s); //~ ERROR multiple applicable items in scope
//~^ NOTE multiple `foo` found
//~| HELP use fully-qualified syntax
let _ = S::CONST; //~ ERROR multiple applicable items in scope
//~^ NOTE multiple `CONST` found
//~| HELP use fully-qualified syntax
let _: S::Type; //~ ERROR ambiguous associated type
//~^ HELP use fully-qualified syntax
}
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