[][src]Struct fallible_iterator::Fuse

pub struct Fuse<I> { /* fields omitted */ }

An iterator that yields Ok(None) forever after the underlying iterator yields Ok(None) once.

Trait Implementations

impl<I> FallibleIterator for Fuse<I> where
    I: FallibleIterator
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type Item = I::Item

The type being iterated over.

type Error = I::Error

The error type.

fn step_by(self, step: usize) -> StepBy<Self> where
    Self: Sized
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Returns an iterator starting at the same point, but stepping by the given amount at each iteration. Read more

fn chain<I>(self, it: I) -> Chain<Self, I> where
    I: IntoFallibleIterator<Item = Self::Item, Error = Self::Error>,
    Self: Sized
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Returns an iterator which yields the elements of this iterator followed by another. Read more

fn zip<I>(self, o: I) -> Zip<Self, I::IntoFallibleIter> where
    Self: Sized,
    I: IntoFallibleIterator<Error = Self::Error>, 
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Returns an iterator that yields pairs of this iterator's and another iterator's values. Read more

fn map<F, B>(self, f: F) -> Map<Self, F> where
    Self: Sized,
    F: FnMut(Self::Item) -> Result<B, Self::Error>, 
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Returns an iterator which applies a fallible transform to the elements of the underlying iterator. Read more

fn for_each<F>(self, f: F) -> Result<(), Self::Error> where
    Self: Sized,
    F: FnMut(Self::Item) -> Result<(), Self::Error>, 
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Calls a fallible closure on each element of an iterator.

fn filter<F>(self, f: F) -> Filter<Self, F> where
    Self: Sized,
    F: FnMut(&Self::Item) -> Result<bool, Self::Error>, 
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Returns an iterator which uses a predicate to determine which values should be yielded. The predicate may fail; such failures are passed to the caller. Read more

fn filter_map<B, F>(self, f: F) -> FilterMap<Self, F> where
    Self: Sized,
    F: FnMut(Self::Item) -> Result<Option<B>, Self::Error>, 
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Returns an iterator which both filters and maps. The closure may fail; such failures are passed along to the consumer. Read more

fn enumerate(self) -> Enumerate<Self> where
    Self: Sized
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Returns an iterator which yields the current iteration count as well as the value. Read more

fn peekable(self) -> Peekable<Self> where
    Self: Sized
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Returns an iterator that can peek at the next element without consuming it. Read more

fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P> where
    Self: Sized,
    P: FnMut(&Self::Item) -> Result<bool, Self::Error>, 
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Returns an iterator that skips elements based on a predicate.

fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P> where
    Self: Sized,
    P: FnMut(&Self::Item) -> Result<bool, Self::Error>, 
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Returns an iterator that yields elements based on a predicate.

fn skip(self, n: usize) -> Skip<Self> where
    Self: Sized
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Returns an iterator which skips the first n values of this iterator.

fn take(self, n: usize) -> Take<Self> where
    Self: Sized
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Returns an iterator that yields only the first n values of this iterator. Read more

fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F> where
    Self: Sized,
    F: FnMut(&mut St, Self::Item) -> Result<Option<B>, Self::Error>, 
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Returns an iterator which applies a stateful map to values of this iterator. Read more

fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F> where
    Self: Sized,
    U: IntoFallibleIterator<Error = Self::Error>,
    F: FnMut(Self::Item) -> Result<U, Self::Error>, 
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Returns an iterator which maps this iterator's elements to iterators, yielding those iterators' values.

fn flatten(self) -> Flatten<Self> where
    Self: Sized,
    Self::Item: IntoFallibleIterator<Error = Self::Error>, 
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Returns an iterator which flattens an iterator of iterators, yielding those iterators' values.

fn fuse(self) -> Fuse<Self> where
    Self: Sized
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Returns an iterator which yields this iterator's elements and ends after the first Ok(None). Read more

fn inspect<F>(self, f: F) -> Inspect<Self, F> where
    Self: Sized,
    F: FnMut(&Self::Item) -> Result<(), Self::Error>, 
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Returns an iterator which passes each element to a closure before returning it.

Important traits for &'_ mut I
fn by_ref(&mut self) -> &mut Self where
    Self: Sized
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Borrow an iterator rather than consuming it. Read more

fn collect<T>(self) -> Result<T, Self::Error> where
    T: FromFallibleIterator<Self::Item>,
    Self: Sized
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Transforms the iterator into a collection. Read more

fn partition<B, F>(self, f: F) -> Result<(B, B), Self::Error> where
    Self: Sized,
    B: Default + Extend<Self::Item>,
    F: FnMut(&Self::Item) -> Result<bool, Self::Error>, 
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Transforms the iterator into two collections, partitioning elements by a closure.

fn fold<B, F>(self, init: B, f: F) -> Result<B, Self::Error> where
    Self: Sized,
    F: FnMut(B, Self::Item) -> Result<B, Self::Error>, 
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Applies a function over the elements of the iterator, producing a single final value. Read more

fn all<F>(&mut self, f: F) -> Result<bool, Self::Error> where
    Self: Sized,
    F: FnMut(Self::Item) -> Result<bool, Self::Error>, 
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Determines if all elements of this iterator match a predicate.

fn any<F>(&mut self, f: F) -> Result<bool, Self::Error> where
    Self: Sized,
    F: FnMut(Self::Item) -> Result<bool, Self::Error>, 
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Determines if any element of this iterator matches a predicate.

fn find<F>(&mut self, f: F) -> Result<Option<Self::Item>, Self::Error> where
    Self: Sized,
    F: FnMut(&Self::Item) -> Result<bool, Self::Error>, 
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Returns the first element of the iterator that matches a predicate.

fn find_map<B, F>(&mut self, f: F) -> Result<Option<B>, Self::Error> where
    Self: Sized,
    F: FnMut(Self::Item) -> Result<Option<B>, Self::Error>, 
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Applies a function to the elements of the iterator, returning the first non-None result.

fn position<F>(&mut self, f: F) -> Result<Option<usize>, Self::Error> where
    Self: Sized,
    F: FnMut(Self::Item) -> Result<bool, Self::Error>, 
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Returns the position of the first element of this iterator that matches a predicate. The predicate may fail; such failures are returned to the caller. Read more

fn max(self) -> Result<Option<Self::Item>, Self::Error> where
    Self: Sized,
    Self::Item: Ord
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Returns the maximal element of the iterator.

fn max_by_key<B, F>(self, f: F) -> Result<Option<Self::Item>, Self::Error> where
    Self: Sized,
    B: Ord,
    F: FnMut(&Self::Item) -> Result<B, Self::Error>, 
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Returns the element of the iterator which gives the maximum value from the function. Read more

fn max_by<F>(self, f: F) -> Result<Option<Self::Item>, Self::Error> where
    Self: Sized,
    F: FnMut(&Self::Item, &Self::Item) -> Result<Ordering, Self::Error>, 
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Returns the element that gives the maximum value with respect to the function.

fn min(self) -> Result<Option<Self::Item>, Self::Error> where
    Self: Sized,
    Self::Item: Ord
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Returns the minimal element of the iterator.

fn min_by_key<B, F>(self, f: F) -> Result<Option<Self::Item>, Self::Error> where
    Self: Sized,
    B: Ord,
    F: FnMut(&Self::Item) -> Result<B, Self::Error>, 
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Returns the element of the iterator which gives the minimum value from the function. Read more

fn min_by<F>(self, f: F) -> Result<Option<Self::Item>, Self::Error> where
    Self: Sized,
    F: FnMut(&Self::Item, &Self::Item) -> Result<Ordering, Self::Error>, 
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Returns the element that gives the minimum value with respect to the function.

fn rev(self) -> Rev<Self> where
    Self: Sized + DoubleEndedFallibleIterator
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Returns an iterator that yields this iterator's items in the opposite order. Read more

fn unzip<A, B, FromA, FromB>(self) -> Result<(FromA, FromB), Self::Error> where
    Self: Sized + FallibleIterator<Item = (A, B)>,
    FromA: Default + Extend<A>,
    FromB: Default + Extend<B>, 
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Converts an iterator of pairs into a pair of containers.

fn cloned<'a, T>(self) -> Cloned<Self> where
    Self: Sized + FallibleIterator<Item = &'a T>,
    T: 'a + Clone
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Returns an iterator which clones all of its elements.

fn cycle(self) -> Cycle<Self> where
    Self: Sized + Clone
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Returns an iterator which repeas this iterator endlessly.

fn cmp<I>(self, other: I) -> Result<Ordering, Self::Error> where
    Self: Sized,
    I: IntoFallibleIterator<Item = Self::Item, Error = Self::Error>,
    Self::Item: Ord
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Lexicographically compares the elements of this iterator to that of another. Read more

fn partial_cmp<I>(self, other: I) -> Result<Option<Ordering>, Self::Error> where
    Self: Sized,
    I: IntoFallibleIterator<Error = Self::Error>,
    Self::Item: PartialOrd<I::Item>, 
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Lexicographically compares the elements of this iterator to that of another. Read more

fn eq<I>(self, other: I) -> Result<bool, Self::Error> where
    Self: Sized,
    I: IntoFallibleIterator<Error = Self::Error>,
    Self::Item: PartialEq<I::Item>, 
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Determines if the elements of this iterator are equal to those of another. Read more

fn ne<I>(self, other: I) -> Result<bool, Self::Error> where
    Self: Sized,
    I: IntoFallibleIterator<Error = Self::Error>,
    Self::Item: PartialEq<I::Item>, 
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Determines if the elements of this iterator are not equal to those of another. Read more

fn lt<I>(self, other: I) -> Result<bool, Self::Error> where
    Self: Sized,
    I: IntoFallibleIterator<Error = Self::Error>,
    Self::Item: PartialOrd<I::Item>, 
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Determines if the elements of this iterator are lexicographically less than those of another. Read more

fn le<I>(self, other: I) -> Result<bool, Self::Error> where
    Self: Sized,
    I: IntoFallibleIterator<Error = Self::Error>,
    Self::Item: PartialOrd<I::Item>, 
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Determines if the elements of this iterator are lexicographically less than or equal to those of another. Read more

fn gt<I>(self, other: I) -> Result<bool, Self::Error> where
    Self: Sized,
    I: IntoFallibleIterator<Error = Self::Error>,
    Self::Item: PartialOrd<I::Item>, 
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Determines if the elements of this iterator are lexicographically greater than those of another. Read more

fn ge<I>(self, other: I) -> Result<bool, Self::Error> where
    Self: Sized,
    I: IntoFallibleIterator<Error = Self::Error>,
    Self::Item: PartialOrd<I::Item>, 
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Determines if the elements of this iterator are lexicographically greater than or equal to those of another. Read more

Important traits for Iterator<I>
fn iterator(self) -> Iterator<Self> where
    Self: Sized
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Returns a normal (non-fallible) iterator over Result<Item, Error>.

fn map_err<B, F>(self, f: F) -> MapErr<Self, F> where
    F: FnMut(Self::Error) -> B,
    Self: Sized
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Returns an iterator which applies a transform to the errors of the underlying iterator. Read more

impl<I: Debug> Debug for Fuse<I>[src]

impl<I: Clone> Clone for Fuse<I>[src]

fn clone_from(&mut self, source: &Self)
1.0.0
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Performs copy-assignment from source. Read more

Auto Trait Implementations

impl<I> Send for Fuse<I> where
    I: Send

impl<I> Sync for Fuse<I> where
    I: Sync

Blanket Implementations

impl<I> IntoFallibleIterator for I where
    I: FallibleIterator
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type Item = <I as FallibleIterator>::Item

The elements of the iterator.

type Error = <I as FallibleIterator>::Error

The error value of the iterator.

type IntoFallibleIter = I

The iterator.

impl<T> From for T[src]

impl<T, U> TryFrom for T where
    U: Into<T>, 
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type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto for T where
    U: TryFrom<T>, 
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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T, U> Into for T where
    U: From<T>, 
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impl<T> Borrow for T where
    T: ?Sized
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impl<T> BorrowMut for T where
    T: ?Sized
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impl<T> Any for T where
    T: 'static + ?Sized
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impl<T> ToOwned for T where
    T: Clone
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type Owned = T