// Copyright 2015 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. struct S; impl Iterator for S { type Item = i32; fn next(&mut self) -> Result { Ok(7) } //~^ ERROR method `next` has an incompatible type for trait //~| expected enum `std::option::Option` //~| found enum `std::result::Result` [E0053] } fn main() {}