Struct ExtractIf
#[must_use = "iterators are lazy and do nothing unless consumed; use `retain` or `extract_if().for_each(drop)` to remove and discard elements"]
pub struct ExtractIf<'a, T, R, F, A: Allocator + Clone = Global> { pub(in ::collections::btree::set) pred: F, pub(in ::collections::btree::set) inner: ExtractIfInner<'a, T, SetValZST, R>, pub(in ::collections::btree::set) alloc: A }This struct is created by the extract_if method on BTreeSet.
Fields
pred: Finner: ExtractIfInner<'a, T, SetValZST, R>alloc: AThe BTreeMap will outlive this IntoIter so we don't care about drop order for
alloc.
Trait Implementations
impl<T, R, F, A> Debug for ExtractIf<'_, T, R, F, A>
where
T: Debug,
A: Allocator + Clone,
fn fmt(&self, f: &mut Formatter<'_>) -> Result
impl<T, R, F, A: Allocator + Clone> FusedIterator for ExtractIf<'_, T, R, F, A>
where
T: PartialOrd,
R: RangeBounds<T>,
F: FnMut(&T) -> bool,
impl<T, R, F, A: Allocator + Clone> Iterator for ExtractIf<'_, T, R, F, A>
where
T: PartialOrd,
R: RangeBounds<T>,
F: FnMut(&T) -> bool,
type Item = T;fn next(&mut self) -> Option<T>fn size_hint(&self) -> (usize, Option<usize>)
Auto Trait Implementations
impl<'a, T, R, F, A = Global> !UnwindSafe for ExtractIf<'a, T, R, F, A>
impl<'a, T, R, F, A> Freeze for ExtractIf<'a, T, R, F, A>
where
F: Freeze,
ExtractIfInner<'a, T, SetValZST, R>: Freeze,
A: Freeze,
impl<'a, T, R, F, A> RefUnwindSafe for ExtractIf<'a, T, R, F, A>
where
F: RefUnwindSafe,
ExtractIfInner<'a, T, SetValZST, R>: RefUnwindSafe,
A: RefUnwindSafe,
impl<'a, T, R, F, A> Send for ExtractIf<'a, T, R, F, A>
where
F: Send,
ExtractIfInner<'a, T, SetValZST, R>: Send,
A: Send,
impl<'a, T, R, F, A> Sync for ExtractIf<'a, T, R, F, A>
where
F: Sync,
ExtractIfInner<'a, T, SetValZST, R>: Sync,
A: Sync,
impl<'a, T, R, F, A> Unpin for ExtractIf<'a, T, R, F, A>
where
F: Unpin,
ExtractIfInner<'a, T, SetValZST, R>: Unpin,
A: Unpin,
impl<'a, T, R, F, A> UnsafeUnpin for ExtractIf<'a, T, R, F, A>
where
F: UnsafeUnpin,
ExtractIfInner<'a, T, SetValZST, R>: UnsafeUnpin,
A: UnsafeUnpin,
Blanket Implementations
impl<I> IntoIterator for ExtractIf<'a, T, R, F, A>
where
I: Iterator,
type Item = <I as Iterator>::Item;type IntoIter = I;fn into_iter(self) -> I
impl<T> Any for ExtractIf<'a, T, R, F, A>
where
T: 'static + ?Sized,
fn type_id(&self) -> TypeId
impl<T> Borrow<T> for ExtractIf<'a, T, R, F, A>
where
T: ?Sized,
fn borrow(&self) -> &T
impl<T> BorrowMut<T> for ExtractIf<'a, T, R, F, A>
where
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
impl<T> From<T> for ExtractIf<'a, T, R, F, A>
fn from(t: T) -> TReturns the argument unchanged.
impl<T> SizeHint for ExtractIf<'a, T, R, F, A>
where
T: ?Sized,
fn lower_bound(&self) -> usizefn upper_bound(&self) -> Option<usize>
impl<T> SizedTypeProperties for ExtractIf<'a, T, R, F, A>
impl<T, U> Into<U> for ExtractIf<'a, T, R, F, A>
where
U: From<T>,
fn into(self) -> UCalls
U::from(self).That is, this conversion is whatever the implementation of
[From]<T> for Uchooses to do.
impl<T, U> TryFrom<U> for ExtractIf<'a, T, R, F, A>
where
U: Into<T>,
type Error = Infallible;fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
impl<T, U> TryInto<U> for ExtractIf<'a, T, R, F, A>
where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error;fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>