Struct Successors

pub struct Successors<T, F> { pub(in ::iter::sources::successors) next: Option<T>, pub(in ::iter::sources::successors) succ: F }

An iterator which, starting from an initial item, computes each successive item from the preceding one.

This struct is created by the iter::successors() function. See its documentation for more.

Fields

next: Option<T>
succ: F

Trait Implementations

impl<T, F> FusedIterator for Successors<T, F> where F: FnMut(&T) -> Option<T>,

impl<T, F> Iterator for Successors<T, F> where F: FnMut(&T) -> Option<T>,

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

impl<T: Clone, F: Clone> Clone for Successors<T, F>

fn clone(&self) -> Successors<T, F>

impl<T: Debug, F> Debug for Successors<T, F>

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

Auto Trait Implementations

impl<T, F> Freeze for Successors<T, F> where Option<T>: Freeze, F: Freeze,

impl<T, F> RefUnwindSafe for Successors<T, F> where Option<T>: RefUnwindSafe, F: RefUnwindSafe,

impl<T, F> Send for Successors<T, F> where Option<T>: Send, F: Send,

impl<T, F> Sync for Successors<T, F> where Option<T>: Sync, F: Sync,

impl<T, F> Unpin for Successors<T, F> where Option<T>: Unpin, F: Unpin,

impl<T, F> UnsafeUnpin for Successors<T, F> where Option<T>: UnsafeUnpin, F: UnsafeUnpin,

impl<T, F> UnwindSafe for Successors<T, F> where Option<T>: UnwindSafe, F: UnwindSafe,

Blanket Implementations

impl<I> IntoIterator for Successors<T, F> where I: Iterator,

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

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Successors<T, F> where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Successors<T, F> where T: ?Sized,

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

impl<T> CloneToUninit for Successors<T, F> where T: Clone,

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

impl<T> From<T> for Successors<T, F>

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> SizeHint for Successors<T, F> where T: ?Sized,

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

impl<T> SizedTypeProperties for Successors<T, F>

impl<T, U> Into<U> for Successors<T, F> 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 Successors<T, F> where U: Into<T>,

type Error = Infallible;
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

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

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