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Redirect size_hint method to the underlying iterators

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Pierre Krieger 2015-03-16 13:50:23 +01:00
parent b431ef5591
commit daa086759c
1 changed files with 15 additions and 0 deletions
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15
src/window.rs
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@ -445,9 +445,14 @@ pub struct PollEventsIterator<'a>(winimpl::PollEventsIterator<'a>);
impl<'a> Iterator for PollEventsIterator<'a> { impl<'a> Iterator for PollEventsIterator<'a> {
type Item = Event; type Item = Event;
fn next(&mut self) -> Option<Event> { fn next(&mut self) -> Option<Event> {
self.0.next() self.0.next()
} }
fn size_hint(&self) -> (usize, Option<usize>) {
self.0.size_hint()
}
} }
/// An iterator for the `wait_events` function. /// An iterator for the `wait_events` function.
@ -455,9 +460,14 @@ pub struct WaitEventsIterator<'a>(winimpl::WaitEventsIterator<'a>);
impl<'a> Iterator for WaitEventsIterator<'a> { impl<'a> Iterator for WaitEventsIterator<'a> {
type Item = Event; type Item = Event;
fn next(&mut self) -> Option<Event> { fn next(&mut self) -> Option<Event> {
self.0.next() self.0.next()
} }
fn size_hint(&self) -> (usize, Option<usize>) {
self.0.size_hint()
}
} }
/// An iterator for the list of available monitors. /// An iterator for the list of available monitors.
@ -469,9 +479,14 @@ pub struct AvailableMonitorsIter {
impl Iterator for AvailableMonitorsIter { impl Iterator for AvailableMonitorsIter {
type Item = MonitorID; type Item = MonitorID;
fn next(&mut self) -> Option<MonitorID> { fn next(&mut self) -> Option<MonitorID> {
self.data.next().map(|id| MonitorID(id)) self.data.next().map(|id| MonitorID(id))
} }
fn size_hint(&self) -> (usize, Option<usize>) {
self.data.size_hint()
}
} }
/// Returns the list of all available monitors. /// Returns the list of all available monitors.