[rustc.git] / src / test / ui / issues / issue-31597.rs

// check-pass
#![allow(dead_code)]
trait Make {
    type Out;

    fn make() -> Self::Out;
}

impl Make for () {
    type Out = ();

    fn make() -> Self::Out {}
}

// Also make sure we don't hit an ICE when the projection can't be known
fn f<T: Make>() -> <T as Make>::Out { loop {} }

// ...and that it works with a blanket impl
trait Tr {
    type Assoc;
}

impl<T: Make> Tr for T {
    type Assoc = ();
}

fn g<T: Make>() -> <T as Tr>::Assoc { }

fn main() {}
Commit	Line	Data
d9bb1a4e	1	// check-pass
0bf4aa26	2	#![allow(dead_code)]
54a0048b SL	3	trait Make {
	4	type Out;
	5
	6	fn make() -> Self::Out;
	7	}
	8
	9	impl Make for () {
	10	type Out = ();
	11
	12	fn make() -> Self::Out {}
	13	}
	14
	15	// Also make sure we don't hit an ICE when the projection can't be known
	16	fn f<T: Make>() -> <T as Make>::Out { loop {} }
	17
	18	// ...and that it works with a blanket impl
	19	trait Tr {
	20	type Assoc;
	21	}
	22
	23	impl<T: Make> Tr for T {
	24	type Assoc = ();
	25	}
	26
	27	fn g<T: Make>() -> <T as Tr>::Assoc { }
	28
	29	fn main() {}