Struct core::iter::Once1.2.0[][src]

pub struct Once<T> { /* fields omitted */ }

An iterator that yields an element exactly once.

This struct is created by the once() function. See its documentation for more.

Trait Implementations

impl<T: Clone> Clone for Once<T>[src]

impl<T: Debug> Debug for Once<T>[src]

impl<T> DoubleEndedIterator for Once<T>[src]

impl<T> ExactSizeIterator for Once<T>[src]

impl<T> FusedIterator for Once<T>1.26.0[src]

impl<T> Iterator for Once<T>[src]

type Item = T

The type of the elements being iterated over.

impl<T> TrustedLen for Once<T>[src]

Auto Trait Implementations

impl<T> Send for Once<T> where
    T: Send

impl<T> Sync for Once<T> where
    T: Sync

impl<T> Unpin for Once<T> where
    T: Unpin

Blanket Implementations

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

impl<T> Borrow<T> for T where
    T: ?Sized

impl<T> BorrowMut<T> for T where
    T: ?Sized

impl<T> From<T> for T[src]

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

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 

type Error = Infallible

The type returned in the event of a conversion error.

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

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.