pub struct IntoKeys<K, V> { /* fields omitted */ }
An owning iterator over the keys of a BTreeMap.
This struct is created by the into_keys method on BTreeMap. See its documentation for more.
impl<K, V> Debug for IntoKeys<K, V> where
    K: Debug,
    V: Debug, [src]
impl<K, V> DoubleEndedIterator for IntoKeys<K, V>[src]
fn next_back(&mut self) -> Option<K>[src]
fn nth_back(&mut self, n: usize) -> Option<Self::Item>[src]1.37.0
fn try_rfold<B, F, R>(&mut self, init: B, f: F) -> R where
    F: FnMut(B, Self::Item) -> R,
    R: Try<Ok = B>, [src]1.27.0
fn rfold<B, F>(self, init: B, f: F) -> B where
    F: FnMut(B, Self::Item) -> B, [src]1.27.0
fn rfind<P>(&mut self, predicate: P) -> Option<Self::Item> where
    P: FnMut(&Self::Item) -> bool, [src]1.27.0
impl<K, V> ExactSizeIterator for IntoKeys<K, V>[src]
impl<K, V> FusedIterator for IntoKeys<K, V>[src]
impl<K, V> Iterator for IntoKeys<K, V>[src]
type Item = KThe type of the elements being iterated over.
fn next(&mut self) -> Option<K>[src]
fn size_hint(&self) -> (usize, Option<usize>)[src]
fn last(self) -> Option<K>[src]
fn min(self) -> Option<K>[src]
fn max(self) -> Option<K>[src]
fn count(self) -> usize[src]1.0.0
fn nth(&mut self, n: usize) -> Option<Self::Item>[src]1.0.0
fn step_by(self, step: usize) -> StepBy<Self>ⓘNotable traits for StepBy<I>
impl<I> Iterator for StepBy<I> where
    I: Iterator,Â
type Item = <I as Iterator>::Item;
[src]1.28.0
fn chain<U>(self, other: U) -> Chain<Self, <U as IntoIterator>::IntoIter>ⓘNotable traits for Chain<A, B>
impl<A, B> Iterator for Chain<A, B> where
    A: Iterator,
    B: Iterator<Item = <A as Iterator>::Item>,Â
type Item = <A as Iterator>::Item;
where
    U: IntoIterator<Item = Self::Item>, [src]1.0.0
fn zip<U>(self, other: U) -> Zip<Self, <U as IntoIterator>::IntoIter>ⓘNotable traits for Zip<A, B>
impl<A, B> Iterator for Zip<A, B> where
    A: Iterator,
    B: Iterator,Â
type Item = (<A as Iterator>::Item, <B as Iterator>::Item);
where
    U: IntoIterator, [src]1.0.0
fn map<B, F>(self, f: F) -> Map<Self, F>ⓘNotable traits for Map<I, F>
impl<B, I, F> Iterator for Map<I, F> where
    F: FnMut(<I as Iterator>::Item) -> B,
    I: Iterator,Â
type Item = B;
where
    F: FnMut(Self::Item) -> B, [src]1.0.0
fn for_each<F>(self, f: F) where
    F: FnMut(Self::Item), [src]1.21.0
fn filter<P>(self, predicate: P) -> Filter<Self, P>ⓘNotable traits for Filter<I, P>
impl<I, P> Iterator for Filter<I, P> where
    I: Iterator,
    P: FnMut(&<I as Iterator>::Item) -> bool,Â
type Item = <I as Iterator>::Item;
where
    P: FnMut(&Self::Item) -> bool, [src]1.0.0
fn filter_map<B, F>(self, f: F) -> FilterMap<Self, F>ⓘNotable traits for FilterMap<I, F>
impl<B, I, F> Iterator for FilterMap<I, F> where
    F: FnMut(<I as Iterator>::Item) -> Option<B>,
    I: Iterator,Â
type Item = B;
where
    F: FnMut(Self::Item) -> Option<B>, [src]1.0.0
fn enumerate(self) -> Enumerate<Self>ⓘNotable traits for Enumerate<I>
impl<I> Iterator for Enumerate<I> where
    I: Iterator,Â
type Item = (usize, <I as Iterator>::Item);
[src]1.0.0
fn peekable(self) -> Peekable<Self>ⓘNotable traits for Peekable<I>
impl<I> Iterator for Peekable<I> where
    I: Iterator,Â
type Item = <I as Iterator>::Item;
[src]1.0.0
fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P>ⓘNotable traits for SkipWhile<I, P>
impl<I, P> Iterator for SkipWhile<I, P> where
    I: Iterator,
    P: FnMut(&<I as Iterator>::Item) -> bool,Â
type Item = <I as Iterator>::Item;
where
    P: FnMut(&Self::Item) -> bool, [src]1.0.0
fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P>ⓘNotable traits for TakeWhile<I, P>
impl<I, P> Iterator for TakeWhile<I, P> where
    I: Iterator,
    P: FnMut(&<I as Iterator>::Item) -> bool,Â
type Item = <I as Iterator>::Item;
where
    P: FnMut(&Self::Item) -> bool, [src]1.0.0
fn map_while<B, P>(self, predicate: P) -> MapWhile<Self, P>ⓘNotable traits for MapWhile<I, P>
impl<B, I, P> Iterator for MapWhile<I, P> where
    I: Iterator,
    P: FnMut(<I as Iterator>::Item) -> Option<B>,Â
type Item = B;
where
    P: FnMut(Self::Item) -> Option<B>, [src]
fn skip(self, n: usize) -> Skip<Self>ⓘNotable traits for Skip<I>
impl<I> Iterator for Skip<I> where
    I: Iterator,Â
type Item = <I as Iterator>::Item;
[src]1.0.0
fn take(self, n: usize) -> Take<Self>ⓘNotable traits for Take<I>
impl<I> Iterator for Take<I> where
    I: Iterator,Â
type Item = <I as Iterator>::Item;
[src]1.0.0
fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F>ⓘNotable traits for Scan<I, St, F>
impl<B, I, St, F> Iterator for Scan<I, St, F> where
    F: FnMut(&mut St, <I as Iterator>::Item) -> Option<B>,
    I: Iterator,Â
type Item = B;
where
    F: FnMut(&mut St, Self::Item) -> Option<B>, [src]1.0.0
fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F>ⓘNotable traits for FlatMap<I, U, F>
impl<I, U, F> Iterator for FlatMap<I, U, F> where
    F: FnMut(<I as Iterator>::Item) -> U,
    I: Iterator,
    U: IntoIterator,Â
type Item = <U as IntoIterator>::Item;
where
    F: FnMut(Self::Item) -> U,
    U: IntoIterator, [src]1.0.0
fn flatten(self) -> Flatten<Self>ⓘNotable traits for Flatten<I>
impl<I, U> Iterator for Flatten<I> where
    I: Iterator,
    U: Iterator,
    <I as Iterator>::Item: IntoIterator,
    <<I as Iterator>::Item as IntoIterator>::IntoIter == U,
    <<I as Iterator>::Item as IntoIterator>::Item == <U as Iterator>::Item,Â
type Item = <U as Iterator>::Item;
where
    Self::Item: IntoIterator, [src]1.29.0
fn fuse(self) -> Fuse<Self>ⓘNotable traits for Fuse<I>
impl<I> Iterator for Fuse<I> where
    I: Iterator,Â
type Item = <I as Iterator>::Item;
[src]1.0.0
fn inspect<F>(self, f: F) -> Inspect<Self, F>ⓘNotable traits for Inspect<I, F>
impl<I, F> Iterator for Inspect<I, F> where
    F: FnMut(&<I as Iterator>::Item),
    I: Iterator,Â
type Item = <I as Iterator>::Item;
where
    F: FnMut(&Self::Item), [src]1.0.0
fn by_ref(&mut self) -> &mut SelfⓘNotable traits for &'_ mut F
impl<'_, F> Future for &'_ mut F where
    F: Unpin + Future + ?Sized,Â
type Output = <F as Future>::Output;
impl<'_, I> Iterator for &'_ mut I where
    I: Iterator + ?Sized,Â
type Item = <I as Iterator>::Item;
impl<R:Â Read + ?Sized, '_> Read for &'_ mut R
impl<W:Â Write + ?Sized, '_> Write for &'_ mut W
[src]1.0.0
#[must_use =
"if you really need to exhaust the iterator, consider `.for_each(drop)` instead"]fn collect<B>(self) -> B where
    B: FromIterator<Self::Item>, [src]1.0.0
fn partition<B, F>(self, f: F) -> (B, B) where
    B: Default + Extend<Self::Item>,
    F: FnMut(&Self::Item) -> bool, [src]1.0.0
fn partition_in_place<'a, T, P>(self, predicate: P) -> usize where
    P: FnMut(&T) -> bool,
    Self: DoubleEndedIterator<Item = &'a mut T>,
    T: 'a, [src]
fn is_partitioned<P>(self, predicate: P) -> bool where
    P: FnMut(Self::Item) -> bool, [src]
fn try_fold<B, F, R>(&mut self, init: B, f: F) -> R where
    F: FnMut(B, Self::Item) -> R,
    R: Try<Ok = B>, [src]1.27.0
fn try_for_each<F, R>(&mut self, f: F) -> R where
    F: FnMut(Self::Item) -> R,
    R: Try<Ok = ()>, [src]1.27.0
fn fold<B, F>(self, init: B, f: F) -> B where
    F: FnMut(B, Self::Item) -> B, [src]1.0.0
fn fold_first<F>(self, f: F) -> Option<Self::Item> where
    F: FnMut(Self::Item, Self::Item) -> Self::Item, [src]
fn all<F>(&mut self, f: F) -> bool where
    F: FnMut(Self::Item) -> bool, [src]1.0.0
fn any<F>(&mut self, f: F) -> bool where
    F: FnMut(Self::Item) -> bool, [src]1.0.0
fn find<P>(&mut self, predicate: P) -> Option<Self::Item> where
    P: FnMut(&Self::Item) -> bool, [src]1.0.0
fn find_map<B, F>(&mut self, f: F) -> Option<B> where
    F: FnMut(Self::Item) -> Option<B>, [src]1.30.0
fn try_find<F, R>(
    &mut self,
    f: F
) -> Result<Option<Self::Item>, <R as Try>::Error> where
    F: FnMut(&Self::Item) -> R,
    R: Try<Ok = bool>, [src]
fn position<P>(&mut self, predicate: P) -> Option<usize> where
    P: FnMut(Self::Item) -> bool, [src]1.0.0
fn rposition<P>(&mut self, predicate: P) -> Option<usize> where
    P: FnMut(Self::Item) -> bool,
    Self: ExactSizeIterator + DoubleEndedIterator, [src]1.0.0
fn max_by_key<B, F>(self, f: F) -> Option<Self::Item> where
    B: Ord,
    F: FnMut(&Self::Item) -> B, [src]1.6.0
fn max_by<F>(self, compare: F) -> Option<Self::Item> where
    F: FnMut(&Self::Item, &Self::Item) -> Ordering, [src]1.15.0
fn min_by_key<B, F>(self, f: F) -> Option<Self::Item> where
    B: Ord,
    F: FnMut(&Self::Item) -> B, [src]1.6.0
fn min_by<F>(self, compare: F) -> Option<Self::Item> where
    F: FnMut(&Self::Item, &Self::Item) -> Ordering, [src]1.15.0
fn rev(self) -> Rev<Self>ⓘNotable traits for Rev<I>
impl<I> Iterator for Rev<I> where
    I: DoubleEndedIterator,Â
type Item = <I as Iterator>::Item;
where
    Self: DoubleEndedIterator, [src]1.0.0
fn unzip<A, B, FromA, FromB>(self) -> (FromA, FromB) where
    FromA: Default + Extend<A>,
    FromB: Default + Extend<B>,
    Self: Iterator<Item = (A, B)>, [src]1.0.0
fn copied<'a, T>(self) -> Copied<Self>ⓘNotable traits for Copied<I>
impl<'a, I, T> Iterator for Copied<I> where
    I: Iterator<Item = &'a T>,
    T: 'a + Copy,Â
type Item = T;
where
    Self: Iterator<Item = &'a T>,
    T: 'a + Copy, [src]1.36.0
fn cloned<'a, T>(self) -> Cloned<Self>ⓘNotable traits for Cloned<I>
impl<'a, I, T> Iterator for Cloned<I> where
    I: Iterator<Item = &'a T>,
    T: 'a + Clone,Â
type Item = T;
where
    Self: Iterator<Item = &'a T>,
    T: 'a + Clone, [src]1.0.0
fn cycle(self) -> Cycle<Self>ⓘNotable traits for Cycle<I>
impl<I> Iterator for Cycle<I> where
    I: Clone + Iterator,Â
type Item = <I as Iterator>::Item;
where
    Self: Clone, [src]1.0.0
fn sum<S>(self) -> S where
    S: Sum<Self::Item>, [src]1.11.0
fn product<P>(self) -> P where
    P: Product<Self::Item>, [src]1.11.0
fn cmp<I>(self, other: I) -> Ordering where
    I: IntoIterator<Item = Self::Item>,
    Self::Item: Ord, [src]1.5.0
fn cmp_by<I, F>(self, other: I, cmp: F) -> Ordering where
    F: FnMut(Self::Item, <I as IntoIterator>::Item) -> Ordering,
    I: IntoIterator, [src]
fn partial_cmp<I>(self, other: I) -> Option<Ordering> where
    I: IntoIterator,
    Self::Item: PartialOrd<<I as IntoIterator>::Item>, [src]1.5.0
fn partial_cmp_by<I, F>(self, other: I, partial_cmp: F) -> Option<Ordering> where
    F: FnMut(Self::Item, <I as IntoIterator>::Item) -> Option<Ordering>,
    I: IntoIterator, [src]
fn eq<I>(self, other: I) -> bool where
    I: IntoIterator,
    Self::Item: PartialEq<<I as IntoIterator>::Item>, [src]1.5.0
fn eq_by<I, F>(self, other: I, eq: F) -> bool where
    F: FnMut(Self::Item, <I as IntoIterator>::Item) -> bool,
    I: IntoIterator, [src]
fn ne<I>(self, other: I) -> bool where
    I: IntoIterator,
    Self::Item: PartialEq<<I as IntoIterator>::Item>, [src]1.5.0
fn lt<I>(self, other: I) -> bool where
    I: IntoIterator,
    Self::Item: PartialOrd<<I as IntoIterator>::Item>, [src]1.5.0
fn le<I>(self, other: I) -> bool where
    I: IntoIterator,
    Self::Item: PartialOrd<<I as IntoIterator>::Item>, [src]1.5.0
fn gt<I>(self, other: I) -> bool where
    I: IntoIterator,
    Self::Item: PartialOrd<<I as IntoIterator>::Item>, [src]1.5.0
fn ge<I>(self, other: I) -> bool where
    I: IntoIterator,
    Self::Item: PartialOrd<<I as IntoIterator>::Item>, [src]1.5.0
fn is_sorted(self) -> bool where
    Self::Item: PartialOrd<Self::Item>, [src]
fn is_sorted_by<F>(self, compare: F) -> bool where
    F: FnMut(&Self::Item, &Self::Item) -> Option<Ordering>, [src]
fn is_sorted_by_key<F, K>(self, f: F) -> bool where
    F: FnMut(Self::Item) -> K,
    K: PartialOrd<K>, [src]
impl<K, V> RefUnwindSafe for IntoKeys<K, V> where
    K: RefUnwindSafe,
    V: RefUnwindSafe, impl<K, V> Send for IntoKeys<K, V> where
    K: Send,
    V: Send, impl<K, V> Sync for IntoKeys<K, V> where
    K: Sync,
    V: Sync, impl<K, V> Unpin for IntoKeys<K, V>impl<K, V> UnwindSafe for IntoKeys<K, V> where
    K: RefUnwindSafe,
    V: RefUnwindSafe, impl<T> Any for T where
    T: 'static + ?Sized, [src]
impl<T> Borrow<T> for T where
    T: ?Sized, [src]
fn borrow(&self) -> &TⓘNotable traits for &'_ mut F
impl<'_, F> Future for &'_ mut F where
    F: Unpin + Future + ?Sized,Â
type Output = <F as Future>::Output;
impl<'_, I> Iterator for &'_ mut I where
    I: Iterator + ?Sized,Â
type Item = <I as Iterator>::Item;
impl<R:Â Read + ?Sized, '_> Read for &'_ mut R
impl<W:Â Write + ?Sized, '_> Write for &'_ mut W
[src]
impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]
fn borrow_mut(&mut self) -> &mut TⓘNotable traits for &'_ mut F
impl<'_, F> Future for &'_ mut F where
    F: Unpin + Future + ?Sized,Â
type Output = <F as Future>::Output;
impl<'_, I> Iterator for &'_ mut I where
    I: Iterator + ?Sized,Â
type Item = <I as Iterator>::Item;
impl<R:Â Read + ?Sized, '_> Read for &'_ mut R
impl<W:Â Write + ?Sized, '_> Write for &'_ mut W
[src]
impl<T> From<T> for T[src]
impl<T, U> Into<U> for T where
    U: From<T>, [src]
impl<I> IntoIterator for I where
    I: Iterator, [src]
type Item = <I as Iterator>::ItemThe type of the elements being iterated over.
type IntoIter = IWhich kind of iterator are we turning this into?
fn into_iter(self) -> I[src]
impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]
type Error = InfallibleThe type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]
impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]
© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/collections/btree_map/struct.IntoKeys.html