rust/tests/ui/issues/issue-69455.rs
2023-01-11 09:32:08 +00:00

32 lines
688 B
Rust

// Regression test for #69455: projection predicate was not satisfied.
// Compiler should indicate the correct location of the
// unsatisfied projection predicate
pub trait Test<Rhs = Self> {
type Output;
fn test(self, rhs: Rhs) -> Self::Output;
}
impl Test<u32> for u64 {
type Output = u64;
fn test(self, other: u32) -> u64 {
self + (other as u64)
}
}
impl Test<u64> for u64 {
type Output = u64;
fn test(self, other: u64) -> u64 {
(self + other) as u64
}
}
fn main() {
let xs: Vec<u64> = vec![1, 2, 3];
println!("{}", 23u64.test(xs.iter().sum())); //~ ERROR: type annotations needed
//~^ ERROR type annotations needed
}