mirror of
https://github.com/FliegendeWurst/cursive.git
synced 2024-11-09 19:00:46 +00:00
Add SelectView::(try_)iter_mut
This commit is contained in:
parent
fc5060a8e0
commit
ec10145bf2
@ -326,6 +326,39 @@ impl<T: 'static> SelectView<T> {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/// Iterate mutably on the items in this view.
|
||||||
|
///
|
||||||
|
/// Returns an iterator with each item and their labels.
|
||||||
|
///
|
||||||
|
/// In some cases some items will need to be cloned (for example if a
|
||||||
|
/// `Rc<T>` is still alive after calling `SelectView::selection()`).
|
||||||
|
///
|
||||||
|
/// If `T` does not implement `Clone`, check `SelectView::try_iter_mut()`.
|
||||||
|
pub fn iter_mut(
|
||||||
|
&mut self,
|
||||||
|
) -> impl Iterator<Item = (&mut StyledString, &mut T)>
|
||||||
|
where
|
||||||
|
T: Clone,
|
||||||
|
{
|
||||||
|
self.items
|
||||||
|
.iter_mut()
|
||||||
|
.map(|item| (&mut item.label, Rc::make_mut(&mut item.value)))
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Try to iterate mutably on the items in this view.
|
||||||
|
///
|
||||||
|
/// Returns an iterator with each item and their labels.
|
||||||
|
///
|
||||||
|
/// Some items may not be returned mutably, for example if a `Rc<T>` is
|
||||||
|
/// still alive after calling `SelectView::selection()`.
|
||||||
|
pub fn try_iter_mut(
|
||||||
|
&mut self,
|
||||||
|
) -> impl Iterator<Item = (&mut StyledString, Option<&mut T>)> {
|
||||||
|
self.items
|
||||||
|
.iter_mut()
|
||||||
|
.map(|item| (&mut item.label, Rc::get_mut(&mut item.value)))
|
||||||
|
}
|
||||||
|
|
||||||
/// Iterate on the items in this view.
|
/// Iterate on the items in this view.
|
||||||
///
|
///
|
||||||
/// Returns an iterator with each item and their labels.
|
/// Returns an iterator with each item and their labels.
|
||||||
|
Loading…
Reference in New Issue
Block a user