1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // Regression test for #23729
20 impl Iterator
for Recurrence
{
23 fn next(&mut self) -> Option
<u64> {
25 let next_val
= self.mem
[self.pos
];
29 let next_val
= self.mem
[0] + self.mem
[1];
30 self.mem
[0] = self.mem
[1];
31 self.mem
[1] = next_val
;
37 Recurrence { mem: [0, 1], pos: 0 }
40 for e
in fib
.take(10) {