libfringe/tests/iterator.rs

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// This file is part of libfringe, a low-level green threading library.
// Copyright (c) whitequark <whitequark@whitequark.org>
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// http://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.
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extern crate fringe;
use fringe::OsStack;
use fringe::generator::Generator;
#[test]
fn producer() {
let stack = OsStack::new(0).unwrap();
let mut gen = Generator::new(stack, move |yielder, ()| {
for i in 0.. { yielder.suspend(i) }
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});
assert_eq!(gen.next(), Some(0));
assert_eq!(gen.next(), Some(1));
assert_eq!(gen.next(), Some(2));
unsafe { gen.unsafe_unwrap(); }
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}