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Iterator: Replace ad-hoc fn iter with impl IntoIterator

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std has a trait for converting things into Iterators. Make use of it.
This commit is contained in:
Jan Alexander Steffens (heftig) 2019-09-05 10:29:16 +02:00 committed by Sebastian Dröge
parent cf6d15bc00
commit dcec895b30
1 changed files with 15 additions and 7 deletions
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22
gstreamer/src/iterator.rs
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@ -181,10 +181,6 @@ where
}
}
}
pub fn iter(self) -> StdIterator<T> {
StdIterator::new(self)
}
}
impl<T> Iterator<T>
@ -485,6 +481,18 @@ impl<T> Drop for Iterator<T> {
}
}
impl<T> iter::IntoIterator for Iterator<T>
where
for<'a> T: FromValueOptional<'a> + 'static,
{
type Item = Result<T, IteratorError>;
type IntoIter = StdIterator<T>;
fn into_iter(self) -> Self::IntoIter {
Self::IntoIter::new(self)
}
}
impl<T> glib::types::StaticType for Iterator<T> {
fn static_type() -> glib::types::Type {
unsafe { glib::translate::from_glib(gst_sys::gst_iterator_get_type()) }
@ -746,7 +754,7 @@ mod tests {
#[test]
fn test_std() {
let mut it = Iterator::from_vec(vec![1i32, 2, 3]).iter();
let mut it = Iterator::from_vec(vec![1i32, 2, 3]).into_iter();
assert_eq!(it.next(), Some(Ok(1)));
assert_eq!(it.next(), Some(Ok(2)));
assert_eq!(it.next(), Some(Ok(3)));
@ -766,7 +774,7 @@ mod tests {
bin.add(&id1).unwrap();
let mut it = bin.iterate_elements().iter();
let mut it = bin.iterate_elements().into_iter();
assert_eq!(it.next().unwrap().unwrap(), id1);
bin.add(&id2).unwrap();
@ -797,7 +805,7 @@ mod tests {
bin.add(&id1).unwrap();
let mut it = bin.iterate_elements().iter();
let mut it = bin.iterate_elements().into_iter();
assert_eq!(it.next().unwrap().unwrap(), id1);
bin.add(&id2).unwrap();