Trait itertools::tuple_impl::TupleCollect

pub trait TupleCollect: Sized {
    type Item;
    type Buffer: Default + AsRef<[Option<Self::Item>]> + AsMut<[Option<Self::Item>]>;
    fn collect_from_iter<I>(iter: I, buf: &mut Self::Buffer) -> Option<Self>
    where
        I: IntoIterator<Item = Self::Item>;
    fn collect_from_iter_no_buf<I>(iter: I) -> Option<Self>
    where
        I: IntoIterator<Item = Self::Item>;
    fn num_items() -> usize;
    fn left_shift_push(&mut self, item: Self::Item);
}

Associated Types

type Item

type Buffer: Default + AsRef<[Option<Self::Item>]> + AsMut<[Option<Self::Item>]>

Required methods

fn collect_from_iter<I>(iter: I, buf: &mut Self::Buffer) -> Option<Self> where
    I: IntoIterator<Item = Self::Item>, 

fn collect_from_iter_no_buf<I>(iter: I) -> Option<Self> where
    I: IntoIterator<Item = Self::Item>, 

fn num_items() -> usize

fn left_shift_push(&mut self, item: Self::Item)

Implementations on Foreign Types

impl<A> TupleCollect for (A,)

type Item = A

type Buffer = [Option<A>; 0]

fn collect_from_iter<I>(iter: I, buf: &mut Self::Buffer) -> Option<Self> where
    I: IntoIterator<Item = A>, 

fn collect_from_iter_no_buf<I>(iter: I) -> Option<Self> where
    I: IntoIterator<Item = A>, 

fn num_items() -> usize

fn left_shift_push(&mut self, item: A)

impl<A> TupleCollect for (A, A)

type Item = A

type Buffer = [Option<A>; 1]

fn collect_from_iter<I>(iter: I, buf: &mut Self::Buffer) -> Option<Self> where
    I: IntoIterator<Item = A>, 

fn collect_from_iter_no_buf<I>(iter: I) -> Option<Self> where
    I: IntoIterator<Item = A>, 

fn num_items() -> usize

fn left_shift_push(&mut self, item: A)

impl<A> TupleCollect for (A, A, A)

type Item = A

type Buffer = [Option<A>; 2]

fn collect_from_iter<I>(iter: I, buf: &mut Self::Buffer) -> Option<Self> where
    I: IntoIterator<Item = A>, 

fn collect_from_iter_no_buf<I>(iter: I) -> Option<Self> where
    I: IntoIterator<Item = A>, 

fn num_items() -> usize

fn left_shift_push(&mut self, item: A)

impl<A> TupleCollect for (A, A, A, A)

type Item = A

type Buffer = [Option<A>; 3]

fn collect_from_iter<I>(iter: I, buf: &mut Self::Buffer) -> Option<Self> where
    I: IntoIterator<Item = A>, 

fn collect_from_iter_no_buf<I>(iter: I) -> Option<Self> where
    I: IntoIterator<Item = A>, 

fn num_items() -> usize

fn left_shift_push(&mut self, item: A)

Implementors