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use std::time::Duration;
use std::iter::Iterator;
#[derive(Debug, Clone)]
pub struct FixedInterval {
duration: Duration
}
impl FixedInterval {
pub fn new(duration: Duration) -> FixedInterval {
FixedInterval{duration: duration}
}
pub fn from_millis(millis: u64) -> FixedInterval {
FixedInterval{duration: Duration::from_millis(millis)}
}
}
impl Iterator for FixedInterval {
type Item = Duration;
fn next(&mut self) -> Option<Duration> {
Some(self.duration)
}
}
#[test]
fn returns_some_fixed() {
let mut s = FixedInterval::new(Duration::from_millis(123));
assert_eq!(s.next(), Some(Duration::from_millis(123)));
assert_eq!(s.next(), Some(Duration::from_millis(123)));
assert_eq!(s.next(), Some(Duration::from_millis(123)));
}