Struct Positions
#[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
pub struct Positions<I, F> { /* private fields */ }
An iterator adapter to get the positions of each element that matches a predicate.
See .positions() for more information.
Trait Implementations
impl<I, F> Debug for Positions<I, F>
where
I: Debug,
fn fmt(&self, f: &mut Formatter<'_>) -> Result
impl<I, F> DoubleEndedIterator for Positions<I, F>
where
I: DoubleEndedIterator + ExactSizeIterator,
F: FnMut(I::Item) -> bool,
fn next_back(&mut self) -> Option<Self::Item>fn rfold<B, G>(self, init: B, func: G) -> B where G: FnMut(B, Self::Item) -> B,
impl<I, F> FusedIterator for Positions<I, F>
where
I: FusedIterator,
F: FnMut(I::Item) -> bool,
impl<I, F> Iterator for Positions<I, F>
where
I: Iterator,
F: FnMut(I::Item) -> bool,
type Item = usize;fn next(&mut self) -> Option<Self::Item>fn size_hint(&self) -> (usize, Option<usize>)fn fold<B, G>(self, init: B, func: G) -> B where G: FnMut(B, Self::Item) -> B,
impl<I: Clone, F: Clone> Clone for Positions<I, F>
fn clone(&self) -> Positions<I, F>
Auto Trait Implementations
impl<I, F> Freeze for Positions<I, F>
where
Enumerate<I>: Freeze,
F: Freeze,
impl<I, F> RefUnwindSafe for Positions<I, F>
where
Enumerate<I>: RefUnwindSafe,
F: RefUnwindSafe,
impl<I, F> Send for Positions<I, F>
where
Enumerate<I>: Send,
F: Send,
impl<I, F> Sync for Positions<I, F>
where
Enumerate<I>: Sync,
F: Sync,
impl<I, F> Unpin for Positions<I, F>
where
Enumerate<I>: Unpin,
F: Unpin,
impl<I, F> UnsafeUnpin for Positions<I, F>
where
Enumerate<I>: UnsafeUnpin,
F: UnsafeUnpin,
impl<I, F> UnwindSafe for Positions<I, F>
where
Enumerate<I>: UnwindSafe,
F: UnwindSafe,
Blanket Implementations
impl<I> IntoIterator for Positions<I, F>
where
I: Iterator,
type Item = <I as Iterator>::Item;type IntoIter = I;fn into_iter(self) -> I
impl<T> Any for Positions<I, F>
where
T: 'static + ?Sized,
fn type_id(&self) -> TypeId
impl<T> Borrow<T> for Positions<I, F>
where
T: ?Sized,
fn borrow(&self) -> &T
impl<T> BorrowMut<T> for Positions<I, F>
where
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
impl<T> CloneToUninit for Positions<I, F>
where
T: Clone,
unsafe fn clone_to_uninit(&self, dest: *mut u8)
impl<T> From<T> for Positions<I, F>
fn from(t: T) -> TReturns the argument unchanged.
impl<T> IntoEither for Positions<I, F>
impl<T> Itertools for Positions<I, F>
where
T: Iterator + ?Sized,
impl<T> ToOwned for Positions<I, F>
where
T: Clone,
type Owned = T;fn to_owned(&self) -> Tfn clone_into(&self, target: &mut T)
impl<T, U> Into<U> for Positions<I, F>
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 Positions<I, F>
where
U: Into<T>,
type Error = never;fn try_from(value: U) -> Result<T, never>
impl<T, U> TryInto<U> for Positions<I, F>
where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error;fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>