1.2.0[][src]Struct std::iter::Once

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> TrustedLen for Once<T>[src]

impl<T> DoubleEndedIterator 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> Debug for Once<T> where
    T: Debug
[src]

impl<T> Clone for Once<T> where
    T: Clone
[src]

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

Auto Trait Implementations

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

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

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

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

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

Blanket Implementations

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

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<I> IntoIterator for I where
    I: Iterator
[src]

type Item = <I as Iterator>::Item

The type of the elements being iterated over.

type IntoIter = I

Which kind of iterator are we turning this into?

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

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

The type returned in the event of a conversion error.

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

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

impl<T> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.