Struct Tuples

#[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
pub struct Tuples<I, T>
where
    I: Iterator<Item = T::Item>,
    T: HomogeneousTuple, { /* private fields */ }

An iterator that groups the items in tuples of a specific size.

See .tuples() for more information.

Implementations

impl<I, T> Tuples<I, T> where I: Iterator<Item = T::Item>, T: HomogeneousTuple,

fn into_buffer(self) -> TupleBuffer<T>

Return a buffer with the produced items that was not enough to be grouped in a tuple.

use itertools::Itertools;

let mut iter = (0..5).tuples();
assert_eq!(Some((0, 1, 2)), iter.next());
assert_eq!(None, iter.next());
itertools::assert_equal(vec![3, 4], iter.into_buffer());

Trait Implementations

impl<I, T> Clone for Tuples<I, T> where I: Iterator<Item = T::Item> + Clone, T: HomogeneousTuple + Clone, T::Buffer: Clone,

fn clone(&self) -> Tuples<I, T>

impl<I, T> Debug for Tuples<I, T> where I: Iterator<Item = T::Item> + Debug, T: HomogeneousTuple + Debug, T::Buffer: Debug,

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

impl<I, T> ExactSizeIterator for Tuples<I, T> where I: ExactSizeIterator<Item = T::Item>, T: HomogeneousTuple,

impl<I, T> Iterator for Tuples<I, T> where I: Iterator<Item = T::Item>, T: HomogeneousTuple,

type Item = T;
fn next(&mut self) -> Option<Self::Item>
fn size_hint(&self) -> (usize, Option<usize>)

Auto Trait Implementations

impl<I, T> Freeze for Tuples<I, T> where Fuse<I>: Freeze, <T as TupleCollect>::Buffer: Freeze,

impl<I, T> RefUnwindSafe for Tuples<I, T> where Fuse<I>: RefUnwindSafe, <T as TupleCollect>::Buffer: RefUnwindSafe,

impl<I, T> Send for Tuples<I, T> where Fuse<I>: Send, <T as TupleCollect>::Buffer: Send,

impl<I, T> Sync for Tuples<I, T> where Fuse<I>: Sync, <T as TupleCollect>::Buffer: Sync,

impl<I, T> Unpin for Tuples<I, T> where Fuse<I>: Unpin, <T as TupleCollect>::Buffer: Unpin,

impl<I, T> UnsafeUnpin for Tuples<I, T> where Fuse<I>: UnsafeUnpin, <T as TupleCollect>::Buffer: UnsafeUnpin,

impl<I, T> UnwindSafe for Tuples<I, T> where Fuse<I>: UnwindSafe, <T as TupleCollect>::Buffer: UnwindSafe,

Blanket Implementations

impl<I> IntoIterator for Tuples<I, T> where I: Iterator,

type Item = <I as Iterator>::Item;
type IntoIter = I;
fn into_iter(self) -> I

impl<IT, A, FromA> MultiUnzip<(FromA,)> for Tuples<I, T> where IT: Iterator<Item = (A,)>, FromA: Default + Extend<A>,

fn multiunzip(self) -> (FromA,)

impl<IT, A, FromA, B, FromB> MultiUnzip<(FromA, FromB)> for Tuples<I, T> where IT: Iterator<Item = (A, B)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>,

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

impl<IT, A, FromA, B, FromB, C, FromC> MultiUnzip<(FromA, FromB, FromC)> for Tuples<I, T> where IT: Iterator<Item = (A, B, C)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>,

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

impl<IT, A, FromA, B, FromB, C, FromC, D, FromD> MultiUnzip<(FromA, FromB, FromC, FromD)> for Tuples<I, T> where IT: Iterator<Item = (A, B, C, D)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>,

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

impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE> MultiUnzip<(FromA, FromB, FromC, FromD, FromE)> for Tuples<I, T> where IT: Iterator<Item = (A, B, C, D, E)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>, FromE: Default + Extend<E>,

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

impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE, F, FromF> MultiUnzip<(FromA, FromB, FromC, FromD, FromE, FromF)> for Tuples<I, T> where IT: Iterator<Item = (A, B, C, D, E, F)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>, FromE: Default + Extend<E>, FromF: Default + Extend<F>,

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

impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE, F, FromF, G, FromG> MultiUnzip<(FromA, FromB, FromC, FromD, FromE, FromF, FromG)> for Tuples<I, T> where IT: Iterator<Item = (A, B, C, D, E, F, G)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>, FromE: Default + Extend<E>, FromF: Default + Extend<F>, FromG: Default + Extend<G>,

fn multiunzip(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<(FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH)> for Tuples<I, T> where IT: Iterator<Item = (A, B, C, D, E, F, G, H)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>, FromE: Default + Extend<E>, FromF: Default + Extend<F>, FromG: Default + Extend<G>, FromH: Default + Extend<H>,

fn multiunzip(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<(FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH, FromI)> for Tuples<I, T> where IT: Iterator<Item = (A, B, C, D, E, F, G, H, I)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>, FromE: Default + Extend<E>, FromF: Default + Extend<F>, FromG: Default + Extend<G>, FromH: Default + Extend<H>, FromI: Default + Extend<I>,

fn multiunzip(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<(FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH, FromI, FromJ)> for Tuples<I, T> where IT: Iterator<Item = (A, B, C, D, E, F, G, H, I, J)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>, FromE: Default + Extend<E>, FromF: Default + Extend<F>, FromG: Default + Extend<G>, FromH: Default + Extend<H>, FromI: Default + Extend<I>, FromJ: Default + Extend<J>,

fn multiunzip(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<(FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH, FromI, FromJ, FromK)> for Tuples<I, T> where IT: Iterator<Item = (A, B, C, D, E, F, G, H, I, J, K)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>, FromE: Default + Extend<E>, FromF: Default + Extend<F>, FromG: Default + Extend<G>, FromH: Default + Extend<H>, FromI: Default + Extend<I>, FromJ: Default + Extend<J>, FromK: Default + Extend<K>,

fn multiunzip(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<(FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH, FromI, FromJ, FromK, FromL)> for Tuples<I, T> where IT: Iterator<Item = (A, B, C, D, E, F, G, H, I, J, K, L)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>, FromE: Default + Extend<E>, FromF: Default + Extend<F>, FromG: Default + Extend<G>, FromH: Default + Extend<H>, FromI: Default + Extend<I>, FromJ: Default + Extend<J>, FromK: Default + Extend<K>, FromL: Default + Extend<L>,

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

impl<T> Any for Tuples<I, T> where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Tuples<I, T> where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Tuples<I, T> where T: ?Sized,

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

impl<T> CloneToUninit for Tuples<I, T> where T: Clone,

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

impl<T> From<T> for Tuples<I, T>

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> IntoEither for Tuples<I, T>

impl<T> Itertools for Tuples<I, T> where T: Iterator + ?Sized,

impl<T> ToOwned for Tuples<I, T> where T: Clone,

type Owned = T;
fn to_owned(&self) -> T
fn clone_into(&self, target: &mut T)

impl<T, U> Into<U> for Tuples<I, T> where U: From<T>,

fn into(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<U> for Tuples<I, T> where U: Into<T>,

type Error = never;
fn try_from(value: U) -> Result<T, never>

impl<T, U> TryInto<U> for Tuples<I, T> where U: TryFrom<T>,

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