Struct Iter

pub struct Iter<'a, T: 'a> { pub(in ::result) inner: Option<&'a T> }

An iterator over a reference to the Ok variant of a Result.

The iterator yields one value if the result is Ok, otherwise none.

Created by Result::iter.

Fields

inner: Option<&'a T>

Trait Implementations

impl<'a, T> DoubleEndedIterator for Iter<'a, T>

fn next_back(&mut self) -> Option<&'a T>

impl<'a, T> Iterator for Iter<'a, T>

type Item = &'a T;
fn next(&mut self) -> Option<&'a T>
fn size_hint(&self) -> (usize, Option<usize>)

impl<'a, T: Debug + 'a> Debug for Iter<'a, T>

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

impl<A> TrustedLen for Iter<'_, A>

impl<T> Clone for Iter<'_, T>

fn clone(&self) -> Self

impl<T> ExactSizeIterator for Iter<'_, T>

impl<T> FusedIterator for Iter<'_, T>

impl<T> OneShot for Iter<'_, T>

Auto Trait Implementations

impl<'a, T> Freeze for Iter<'a, T> where Option<&'a T>: Freeze,

impl<'a, T> RefUnwindSafe for Iter<'a, T> where Option<&'a T>: RefUnwindSafe,

impl<'a, T> Send for Iter<'a, T> where Option<&'a T>: Send,

impl<'a, T> Sync for Iter<'a, T> where Option<&'a T>: Sync,

impl<'a, T> Unpin for Iter<'a, T> where Option<&'a T>: Unpin,

impl<'a, T> UnsafeUnpin for Iter<'a, T> where Option<&'a T>: UnsafeUnpin,

impl<'a, T> UnwindSafe for Iter<'a, T> where Option<&'a T>: UnwindSafe,

Blanket Implementations

impl<I> IntoIterator for Iter<'a, T> where I: Iterator,

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

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Iter<'a, T> where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Iter<'a, T> where T: ?Sized,

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

impl<T> CloneToUninit for Iter<'a, T> where T: Clone,

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

impl<T> From<T> for Iter<'a, T>

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> SizeHint for Iter<'a, T> where T: ?Sized,

fn lower_bound(&self) -> usize
fn upper_bound(&self) -> Option<usize>

impl<T> SizedTypeProperties for Iter<'a, T>

impl<T, U> Into<U> for Iter<'a, 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 Iter<'a, T> where U: Into<T>,

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

impl<T, U> TryInto<U> for Iter<'a, T> where U: TryFrom<T>,

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