Struct PutBackN

struct PutBackN<I: Iterator> { ... }

An iterator adaptor that allows putting multiple items in front of the iterator.

Iterator element type is I::Item.

Implementations

impl<I: Iterator> PutBackN<I>

fn put_back(self: &mut Self, x: <I as >::Item)

Puts x in front of the iterator.

The values are yielded in order of the most recently put back values first.

use itertools::put_back_n;

let mut it = put_back_n(1..5);
it.next();
it.put_back(1);
it.put_back(0);

assert!(itertools::equal(it, 0..5));

impl<I> Freeze for PutBackN<I>

impl<I> IntoIterator for PutBackN<I>

fn into_iter(self: Self) -> I

impl<I> PeekingNext for PutBackN<I>

fn peeking_next<F>(self: &mut Self, accept: F) -> Option<<Self as >::Item>
where
    F: FnOnce(&<Self as >::Item) -> bool

impl<I> RefUnwindSafe for PutBackN<I>

impl<I> Send for PutBackN<I>

impl<I> Sync for PutBackN<I>

impl<I> Unpin for PutBackN<I>

impl<I> UnsafeUnpin for PutBackN<I>

impl<I> UnwindSafe for PutBackN<I>

impl<I: $crate::clone::Clone + Iterator> Clone for PutBackN<I>

fn clone(self: &Self) -> PutBackN<I>

impl<I: $crate::fmt::Debug + Iterator> Debug for PutBackN<I>

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

impl<I: Iterator> Iterator for PutBackN<I>

fn next(self: &mut Self) -> Option<<Self as >::Item>
fn size_hint(self: &Self) -> (usize, Option<usize>)
fn fold<B, F>(self: Self, init: B, f: F) -> B
where
    F: FnMut(B, <Self as >::Item) -> B

impl<IT> MultiUnzip for PutBackN<I>

fn multiunzip(self: Self)

impl<IT, A, FromA> MultiUnzip for PutBackN<I>

fn multiunzip(self: Self) -> (FromA)

impl<IT, A, FromA, B, FromB> MultiUnzip for PutBackN<I>

fn multiunzip(self: Self) -> (FromA, FromB)

impl<IT, A, FromA, B, FromB, C, FromC> MultiUnzip for PutBackN<I>

fn multiunzip(self: Self) -> (FromA, FromB, FromC)

impl<IT, A, FromA, B, FromB, C, FromC, D, FromD> MultiUnzip for PutBackN<I>

fn multiunzip(self: Self) -> (FromA, FromB, FromC, FromD)

impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE> MultiUnzip for PutBackN<I>

fn multiunzip(self: Self) -> (FromA, FromB, FromC, FromD, FromE)

impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE, F, FromF> MultiUnzip for PutBackN<I>

fn multiunzip(self: Self) -> (FromA, FromB, FromC, FromD, FromE, FromF)

impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE, F, FromF, G, FromG> MultiUnzip for PutBackN<I>

fn multiunzip(self: Self) -> (FromA, FromB, FromC, FromD, FromE, FromF, FromG)

impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE, F, FromF, G, FromG, H, FromH> MultiUnzip for PutBackN<I>

fn multiunzip(self: Self) -> (FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH)

impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE, F, FromF, G, FromG, H, FromH, I, FromI> MultiUnzip for PutBackN<I>

fn multiunzip(self: Self) -> (FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH, FromI)

impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE, F, FromF, G, FromG, H, FromH, I, FromI, J, FromJ> MultiUnzip for PutBackN<I>

fn multiunzip(self: Self) -> (FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH, FromI, FromJ)

impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE, F, FromF, G, FromG, H, FromH, I, FromI, J, FromJ, K, FromK> MultiUnzip for PutBackN<I>

fn multiunzip(self: Self) -> (FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH, FromI, FromJ, FromK)

impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE, F, FromF, G, FromG, H, FromH, I, FromI, J, FromJ, K, FromK, L, FromL> MultiUnzip for PutBackN<I>

fn multiunzip(self: Self) -> (FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH, FromI, FromJ, FromK, FromL)

impl<T> Any for PutBackN<I>

fn type_id(self: &Self) -> TypeId

impl<T> Borrow for PutBackN<I>

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

impl<T> BorrowMut for PutBackN<I>

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

impl<T> CloneToUninit for PutBackN<I>

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

impl<T> From for PutBackN<I>

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Itertools for PutBackN<I>

impl<T> ToOwned for PutBackN<I>

fn to_owned(self: &Self) -> T
fn clone_into(self: &Self, target: &mut T)

impl<T, U> Into for PutBackN<I>

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 PutBackN<I>

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

impl<T, U> TryInto for PutBackN<I>

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