[rustc.git] / tests / ui / impl-trait / in-trait / foreign.rs

// check-pass
// aux-build: rpitit.rs
// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty
// revisions: current next

extern crate rpitit;

use rpitit::{Foo, Foreign};
use std::sync::Arc;

// Implement an RPITIT from another crate.
struct Local;
impl Foo for Local {
    fn bar(self) -> Arc<String> { Arc::new(String::new()) }
}

fn generic(f: impl Foo) {
    let x = &*f.bar();
}

fn main() {
    // Witness an RPITIT from another crate.
    let &() = Foreign.bar();

    let x: Arc<String> = Local.bar();
}
Commit	Line	Data
2b03887a FG	1	// check-pass
2b03887a FG	2	// aux-build: rpitit.rs
353b0b11 FG	3	// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty
353b0b11 FG	4	// revisions: current next
2b03887a FG	5
	6	extern crate rpitit;
	7
49aad941	8	use rpitit::{Foo, Foreign};
353b0b11 FG	9	use std::sync::Arc;
	10
	11	// Implement an RPITIT from another crate.
	12	struct Local;
49aad941 FG	13	impl Foo for Local {
49aad941 FG	14	fn bar(self) -> Arc<String> { Arc::new(String::new()) }
353b0b11 FG	15	}
353b0b11 FG	16
fe692bf9 FG	17	fn generic(f: impl Foo) {
	18	let x = &*f.bar();
	19	}
	20
2b03887a	21	fn main() {
353b0b11	22	// Witness an RPITIT from another crate.
49aad941	23	let &() = Foreign.bar();
353b0b11	24
49aad941	25	let x: Arc<String> = Local.bar();
2b03887a	26	}