blob: ad764f84aa81a256e903324338f3db7075226d11 (
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struct S;
impl Iterator for S {
type Item = i32;
fn next(&mut self) -> Result<i32, i32> { Ok(7) }
//~^ ERROR method `next` has an incompatible type for trait
//~| NOTE expected `Option<i32>`, found `Result<i32, i32>`
//~| NOTE expected signature `fn(&mut S) -> Option<i32>`
}
fn main() {}
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