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, } } } fn foo<'a>() { let _ = S::new::(1, 1.0); //~^ ERROR this associated function takes 1 let _ = S::<'a,isize>::new::(1, 1.0); //~^ ERROR this struct takes 0 lifetime arguments but 1 lifetime argument was supplied let _: S2 = Trait::new::(1, 1.0); //~^ ERROR this associated function takes 1 let _: S2 = Trait::<'a,isize>::new::(1, 1.0); //~^ ERROR this trait takes 0 lifetime arguments but 1 lifetime argument was supplied //~| ERROR this associated function takes 1 } fn main() {}