Struct Inspect

struct Inspect<I, F> { ... }

An iterator that calls a function with a reference to each element before yielding it.

This struct is created by the inspect method on Iterator. See its documentation for more.

Implementations

impl<I> IntoIterator for Inspect<I, F>

fn into_iter(self: Self) -> I

impl<I, F> Freeze for Inspect<I, F>

impl<I, F> RefUnwindSafe for Inspect<I, F>

impl<I, F> Send for Inspect<I, F>

impl<I, F> Sync for Inspect<I, F>

impl<I, F> Unpin for Inspect<I, F>

impl<I, F> UnsafeUnpin for Inspect<I, F>

impl<I, F> UnwindSafe for Inspect<I, F>

impl<I: $crate::clone::Clone, F: $crate::clone::Clone> Clone for Inspect<I, F>

fn clone(self: &Self) -> Inspect<I, F>

impl<I: DoubleEndedIterator, F> DoubleEndedIterator for Inspect<I, F>

fn next_back(self: &mut Self) -> Option<<I as >::Item>
fn try_rfold<Acc, Fold, R>(self: &mut Self, init: Acc, fold: Fold) -> R
where
    Self: Sized,
    Fold: FnMut(Acc, <Self as >::Item) -> R,
    R: Try<Output = Acc>
fn rfold<Acc, Fold>(self: Self, init: Acc, fold: Fold) -> Acc
where
    Fold: FnMut(Acc, <Self as >::Item) -> Acc

impl<I: ExactSizeIterator, F> ExactSizeIterator for Inspect<I, F>

fn len(self: &Self) -> usize
fn is_empty(self: &Self) -> bool

impl<I: FusedIterator, F> FusedIterator for Inspect<I, F>

impl<I: Iterator, F> Iterator for Inspect<I, F>

fn next(self: &mut Self) -> Option<<I as >::Item>
fn size_hint(self: &Self) -> (usize, Option<usize>)
fn try_fold<Acc, Fold, R>(self: &mut Self, init: Acc, fold: Fold) -> R
where
    Self: Sized,
    Fold: FnMut(Acc, <Self as >::Item) -> R,
    R: Try<Output = Acc>
fn fold<Acc, Fold>(self: Self, init: Acc, fold: Fold) -> Acc
where
    Fold: FnMut(Acc, <Self as >::Item) -> Acc

impl<I: fmt::Debug, F> Debug for Inspect<I, F>

fn fmt(self: &Self, f: &mut Formatter<'_>) -> Result

impl<T> Any for Inspect<I, F>

fn type_id(self: &Self) -> TypeId

impl<T> Borrow for Inspect<I, F>

fn borrow(self: &Self) -> &T

impl<T> BorrowMut for Inspect<I, F>

fn borrow_mut(self: &mut Self) -> &mut T

impl<T> CloneToUninit for Inspect<I, F>

unsafe fn clone_to_uninit(self: &Self, dest: *mut u8)

impl<T> From for Inspect<I, F>

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into for Inspect<I, F>

fn into(self: Self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

impl<T, U> TryFrom for Inspect<I, F>

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto for Inspect<I, F>

fn try_into(self: Self) -> Result<U, <U as TryFrom<T>>::Error>