blob: 2acefd718c93c7ba3698bfdd63a4af2516690413 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
// Copyright 2017 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// compile-pass
#![allow(dead_code)]
struct Foo<T>(T);
struct IntoIter<T>(T);
impl<'a, T: 'a> Iterator for IntoIter<T> {
type Item = ();
fn next(&mut self) -> Option<()> {
None
}
}
impl<T> IntoIterator for Foo<T> {
type Item = ();
type IntoIter = IntoIter<T>;
fn into_iter(self) -> IntoIter<T> {
IntoIter(self.0)
}
}
fn main() {}
|
