// run-pass #![allow(dead_code)] // pretty-expanded FIXME #23616 struct S { contents: T, } impl S { fn new(x: T, _: U) -> S { S { contents: x, } } } trait Trait { fn new(x: T, y: U) -> Self; } struct S2 { contents: isize, } impl Trait for S2 { fn new(x: isize, _: U) -> S2 { S2 { contents: x, } } } pub fn main() { let _ = S::::new::(1, 1.0); let _: S2 = Trait::::new::(1, 1.0); }