# Struct std::iter::Skip 1.0.0[−][src]

    #[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
    pub struct Skip<I> { /* fields omitted */ }

An iterator that skips over `n` elements of `iter`.

This `struct` is created by the `skip` method on `Iterator`. See its documentation for more.

## Trait Implementations

###

`impl<I> ExactSizeIterator for Skip<I> where I: ExactSizeIterator,`

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`fn len(&self) -> usize`

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Returns the exact number of times the iterator will iterate. Read more

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`fn is_empty(&self) -> bool`

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🔬 This is a nightly-only experimental API. (`exact_size_is_empty` #35428)

Returns whether the iterator is empty. Read more

###

`impl<I> Clone for Skip<I> where I: Clone,`

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####
ⓘImportant traits for Skip<I>

### Important traits for Skip<I>

`impl<I> Iterator for Skip<I> where
I: Iterator, type Item = <I as Iterator>::Item;`

`fn clone(&self) -> Skip<I>`

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Returns a copy of the value. Read more

####

`fn clone_from(&mut self, source: &Self)`

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Performs copy-assignment from `source`. Read more

###

`impl<I> Debug for Skip<I> where I: Debug,`

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####

`fn fmt(&self, f: &mut Formatter) -> Result<(), Error>`

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Formats the value using the given formatter. Read more

###

`impl<I> FusedIterator for Skip<I> where I: FusedIterator,`

1.26.0
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###

`impl<I> Iterator for Skip<I> where I: Iterator,`

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#### `type Item = <I as Iterator>::Item`

The type of the elements being iterated over.

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`fn next(&mut self) -> Option<<I as Iterator>::Item>`

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Advances the iterator and returns the next value. Read more

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`fn nth(&mut self, n: usize) -> Option<<I as Iterator>::Item>`

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Returns the `n`th element of the iterator. Read more

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`fn count(self) -> usize`

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Consumes the iterator, counting the number of iterations and returning it. Read more

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`fn last(self) -> Option<<I as Iterator>::Item>`

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Consumes the iterator, returning the last element. Read more

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`fn size_hint(&self) -> (usize, Option<usize>)`

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Returns the bounds on the remaining length of the iterator. Read more

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`fn try_fold<Acc, Fold, R>(&mut self, init: Acc, fold: Fold) -> R where Fold: FnMut(Acc, <Skip<I> as Iterator>::Item) -> R, R: Try<Ok = Acc>, Skip<I>: Sized,`

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An iterator method that applies a function as long as it returns successfully, producing a single, final value. Read more

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`fn fold<Acc, Fold>(self, init: Acc, fold: Fold) -> Acc where Fold: FnMut(Acc, <Skip<I> as Iterator>::Item) -> Acc,`

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An iterator method that applies a function, producing a single, final value. Read more

####
ⓘImportant traits for StepBy<I>

### Important traits for StepBy<I>

`impl<I> Iterator for StepBy<I> where
I: Iterator, type Item = <I as Iterator>::Item;`

`fn step_by(self, step: usize) -> StepBy<Self>`

1.28.0
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Creates an iterator starting at the same point, but stepping by the given amount at each iteration. Read more

####
ⓘImportant traits for Chain<A, B>

### Important traits for Chain<A, B>

`impl<A, B> Iterator for Chain<A, B> where
A: Iterator,
B: Iterator<Item = <A as Iterator>::Item>, type Item = <A as Iterator>::Item;`

`fn chain<U>(self, other: U) -> Chain<Self, <U as IntoIterator>::IntoIter> where U: IntoIterator<Item = Self::Item>,`

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Takes two iterators and creates a new iterator over both in sequence. Read more

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ⓘImportant traits for Zip<A, B>

### Important traits for Zip<A, B>

`impl<A, B> Iterator for Zip<A, B> where
A: Iterator,
B: Iterator, type Item = (<A as Iterator>::Item, <B as Iterator>::Item);`

`fn zip<U>(self, other: U) -> Zip<Self, <U as IntoIterator>::IntoIter> where U: IntoIterator,`

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'Zips up' two iterators into a single iterator of pairs. Read more

####
ⓘImportant traits for Map<I, F>

### Important traits for Map<I, F>

`impl<B, I, F> Iterator for Map<I, F> where
F: FnMut(<I as Iterator>::Item) -> B,
I: Iterator, type Item = B;`

`fn map<B, F>(self, f: F) -> Map<Self, F> where F: FnMut(Self::Item) -> B,`

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Takes a closure and creates an iterator which calls that closure on each element. Read more

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`fn for_each<F>(self, f: F) where F: FnMut(Self::Item),`

1.21.0
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Calls a closure on each element of an iterator. Read more

####
ⓘImportant traits for Filter<I, P>

### Important traits for Filter<I, P>

`impl<I, P> Iterator for Filter<I, P> where
I: Iterator,
P: FnMut(&<I as Iterator>::Item) -> bool, type Item = <I as Iterator>::Item;`

`fn filter<P>(self, predicate: P) -> Filter<Self, P> where P: FnMut(&Self::Item) -> bool,`

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Creates an iterator which uses a closure to determine if an element should be yielded. Read more

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ⓘImportant traits for FilterMap<I, F>

### Important traits for FilterMap<I, F>

`impl<B, I, F> Iterator for FilterMap<I, F> where
F: FnMut(<I as Iterator>::Item) -> Option<B>,
I: Iterator, type Item = B;`

`fn filter_map<B, F>(self, f: F) -> FilterMap<Self, F> where F: FnMut(Self::Item) -> Option<B>,`

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Creates an iterator that both filters and maps. Read more

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ⓘImportant traits for Enumerate<I>

### Important traits for Enumerate<I>

`impl<I> Iterator for Enumerate<I> where
I: Iterator, type Item = (usize, <I as Iterator>::Item);`

`fn enumerate(self) -> Enumerate<Self>`

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Creates an iterator which gives the current iteration count as well as the next value. Read more

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ⓘImportant traits for Peekable<I>

### Important traits for Peekable<I>

`impl<I> Iterator for Peekable<I> where
I: Iterator, type Item = <I as Iterator>::Item;`

`fn peekable(self) -> Peekable<Self>`

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Creates an iterator which can use `peek` to look at the next element of the iterator without consuming it. Read more

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ⓘImportant traits for SkipWhile<I, P>

### Important traits for SkipWhile<I, P>

`impl<I, P> Iterator for SkipWhile<I, P> where
I: Iterator,
P: FnMut(&<I as Iterator>::Item) -> bool, type Item = <I as Iterator>::Item;`

`fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P> where P: FnMut(&Self::Item) -> bool,`

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Creates an iterator that [`skip`]s elements based on a predicate. Read more

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ⓘImportant traits for TakeWhile<I, P>

### Important traits for TakeWhile<I, P>

`impl<I, P> Iterator for TakeWhile<I, P> where
I: Iterator,
P: FnMut(&<I as Iterator>::Item) -> bool, type Item = <I as Iterator>::Item;`

`fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P> where P: FnMut(&Self::Item) -> bool,`

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Creates an iterator that yields elements based on a predicate. Read more

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ⓘImportant traits for Skip<I>

### Important traits for Skip<I>

`impl<I> Iterator for Skip<I> where
I: Iterator, type Item = <I as Iterator>::Item;`

`fn skip(self, n: usize) -> Skip<Self>`

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Creates an iterator that skips the first `n` elements. Read more

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ⓘImportant traits for Take<I>

### Important traits for Take<I>

`impl<I> Iterator for Take<I> where
I: Iterator, type Item = <I as Iterator>::Item;`

`fn take(self, n: usize) -> Take<Self>`

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Creates an iterator that yields its first `n` elements. Read more

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ⓘImportant traits for Scan<I, St, F>

### Important traits for Scan<I, St, F>

`impl<B, I, St, F> Iterator for Scan<I, St, F> where
F: FnMut(&mut St, <I as Iterator>::Item) -> Option<B>,
I: Iterator, type Item = B;`

`fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F> where F: FnMut(&mut St, Self::Item) -> Option<B>,`

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An iterator adaptor similar to [`fold`] that holds internal state and produces a new iterator. Read more

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ⓘImportant traits for FlatMap<I, U, F>

### Important traits for FlatMap<I, U, F>

`impl<I, U, F> Iterator for FlatMap<I, U, F> where
F: FnMut(<I as Iterator>::Item) -> U,
I: Iterator,
U: IntoIterator, type Item = <U as IntoIterator>::Item;`

`fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F> where F: FnMut(Self::Item) -> U, U: IntoIterator,`

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Creates an iterator that works like map, but flattens nested structure. Read more

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ⓘImportant traits for Flatten<I>

### Important traits for Flatten<I>

`impl<I, U> Iterator for Flatten<I> where
I: Iterator,
U: Iterator,
<I as Iterator>::Item: IntoIterator,
<<I as Iterator>::Item as IntoIterator>::IntoIter == U,
<<I as Iterator>::Item as IntoIterator>::Item == <U as Iterator>::Item, type Item = <U as Iterator>::Item;`

`fn flatten(self) -> Flatten<Self> where Self::Item: IntoIterator,`

1.29
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Creates an iterator that flattens nested structure. Read more

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ⓘImportant traits for Fuse<I>

### Important traits for Fuse<I>

`impl<I> Iterator for Fuse<I> where
I: Iterator, type Item = <I as Iterator>::Item;impl<I> Iterator for Fuse<I> where
I: FusedIterator,`

`fn fuse(self) -> Fuse<Self>`

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Creates an iterator which ends after the first [`None`]. Read more

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ⓘImportant traits for Inspect<I, F>

### Important traits for Inspect<I, F>

`impl<I, F> Iterator for Inspect<I, F> where
F: FnMut(&<I as Iterator>::Item),
I: Iterator, type Item = <I as Iterator>::Item;`

`fn inspect<F>(self, f: F) -> Inspect<Self, F> where F: FnMut(&Self::Item),`

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Do something with each element of an iterator, passing the value on. Read more

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ⓘImportant traits for &'a mut I

### Important traits for &'a mut I

`impl<'a, I> Iterator for &'a mut I where
I: Iterator + ?Sized, type Item = <I as Iterator>::Item;impl<'a, R: Read + ?Sized> Read for &'a mut Rimpl<'a, W: Write + ?Sized> Write for &'a mut W`

`fn by_ref(&mut self) -> &mut Self`

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Borrows an iterator, rather than consuming it. Read more

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`#[must_use = "if you really need to exhaust the iterator, consider `.for_each(drop)` instead"] fn collect<B>(self) -> B where B: FromIterator<Self::Item>,`

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Transforms an iterator into a collection. Read more

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`fn partition<B, F>(self, f: F) -> (B, B) where B: Default + Extend<Self::Item>, F: FnMut(&Self::Item) -> bool,`

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Consumes an iterator, creating two collections from it. Read more

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`fn try_for_each<F, R>(&mut self, f: F) -> R where F: FnMut(Self::Item) -> R, R: Try<Ok = ()>,`

1.27.0
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An iterator method that applies a fallible function to each item in the iterator, stopping at the first error and returning that error. Read more

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`fn all<F>(&mut self, f: F) -> bool where F: FnMut(Self::Item) -> bool,`

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Tests if every element of the iterator matches a predicate. Read more

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`fn any<F>(&mut self, f: F) -> bool where F: FnMut(Self::Item) -> bool,`

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Tests if any element of the iterator matches a predicate. Read more

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`fn find<P>(&mut self, predicate: P) -> Option<Self::Item> where P: FnMut(&Self::Item) -> bool,`

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Searches for an element of an iterator that satisfies a predicate. Read more

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`fn find_map<B, F>(&mut self, f: F) -> Option<B> where F: FnMut(Self::Item) -> Option<B>,`

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🔬 This is a nightly-only experimental API. (`iterator_find_map` #49602)

unstable new API

Applies function to the elements of iterator and returns the first non-none result. Read more

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`fn position<P>(&mut self, predicate: P) -> Option<usize> where P: FnMut(Self::Item) -> bool,`

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Searches for an element in an iterator, returning its index. Read more

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`fn rposition<P>(&mut self, predicate: P) -> Option<usize> where P: FnMut(Self::Item) -> bool, Self: ExactSizeIterator + DoubleEndedIterator,`

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Searches for an element in an iterator from the right, returning its index. Read more

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`fn max(self) -> Option<Self::Item> where Self::Item: Ord,`

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Returns the maximum element of an iterator. Read more

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`fn min(self) -> Option<Self::Item> where Self::Item: Ord,`

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Returns the minimum element of an iterator. Read more

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`fn max_by_key<B, F>(self, f: F) -> Option<Self::Item> where B: Ord, F: FnMut(&Self::Item) -> B,`

1.6.0
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Returns the element that gives the maximum value from the specified function. Read more

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`fn max_by<F>(self, compare: F) -> Option<Self::Item> where F: FnMut(&Self::Item, &Self::Item) -> Ordering,`

1.15.0
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Returns the element that gives the maximum value with respect to the specified comparison function. Read more

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`fn min_by_key<B, F>(self, f: F) -> Option<Self::Item> where B: Ord, F: FnMut(&Self::Item) -> B,`

1.6.0
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Returns the element that gives the minimum value from the specified function. Read more

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`fn min_by<F>(self, compare: F) -> Option<Self::Item> where F: FnMut(&Self::Item, &Self::Item) -> Ordering,`

1.15.0
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Returns the element that gives the minimum value with respect to the specified comparison function. Read more

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ⓘImportant traits for Rev<I>

### Important traits for Rev<I>

`impl<I> Iterator for Rev<I> where
I: DoubleEndedIterator, type Item = <I as Iterator>::Item;`

`fn rev(self) -> Rev<Self> where Self: DoubleEndedIterator,`

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Reverses an iterator's direction. Read more

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`fn unzip<A, B, FromA, FromB>(self) -> (FromA, FromB) where FromA: Default + Extend<A>, FromB: Default + Extend<B>, Self: Iterator<Item = (A, B)>,`

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Converts an iterator of pairs into a pair of containers. Read more

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ⓘImportant traits for Cloned<I>

### Important traits for Cloned<I>

`impl<'a, I, T> Iterator for Cloned<I> where
I: Iterator<Item = &'a T>,
T: 'a + Clone, type Item = T;`

`fn cloned<'a, T>(self) -> Cloned<Self> where Self: Iterator<Item = &'a T>, T: 'a + Clone,`

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Creates an iterator which [`clone`]s all of its elements. Read more

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ⓘImportant traits for Cycle<I>

### Important traits for Cycle<I>

`impl<I> Iterator for Cycle<I> where
I: Clone + Iterator, type Item = <I as Iterator>::Item;`

`fn cycle(self) -> Cycle<Self> where Self: Clone,`

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Repeats an iterator endlessly. Read more

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`fn sum<S>(self) -> S where S: Sum<Self::Item>,`

1.11.0
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Sums the elements of an iterator. Read more

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`fn product<P>(self) -> P where P: Product<Self::Item>,`

1.11.0
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Iterates over the entire iterator, multiplying all the elements Read more

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`fn cmp<I>(self, other: I) -> Ordering where I: IntoIterator<Item = Self::Item>, Self::Item: Ord,`

1.5.0
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Lexicographically compares the elements of this `Iterator` with those of another. Read more

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`fn partial_cmp<I>(self, other: I) -> Option<Ordering> where I: IntoIterator, Self::Item: PartialOrd<<I as IntoIterator>::Item>,`

1.5.0
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Lexicographically compares the elements of this `Iterator` with those of another. Read more

####

`fn eq<I>(self, other: I) -> bool where I: IntoIterator, Self::Item: PartialEq<<I as IntoIterator>::Item>,`

1.5.0
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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) -> bool where I: IntoIterator, Self::Item: PartialEq<<I as IntoIterator>::Item>,`

1.5.0
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Determines if the elements of this `Iterator` are unequal to those of another. Read more

####

`fn lt<I>(self, other: I) -> bool where I: IntoIterator, Self::Item: PartialOrd<<I as IntoIterator>::Item>,`

1.5.0
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Determines if the elements of this `Iterator` are lexicographically less than those of another. Read more

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`fn le<I>(self, other: I) -> bool where I: IntoIterator, Self::Item: PartialOrd<<I as IntoIterator>::Item>,`

1.5.0
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Determines if the elements of this `Iterator` are lexicographically less or equal to those of another. Read more

####

`fn gt<I>(self, other: I) -> bool where I: IntoIterator, Self::Item: PartialOrd<<I as IntoIterator>::Item>,`

1.5.0
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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) -> bool where I: IntoIterator, Self::Item: PartialOrd<<I as IntoIterator>::Item>,`

1.5.0
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Determines if the elements of this `Iterator` are lexicographically greater than or equal to those of another. Read more

###

`impl<I> DoubleEndedIterator for Skip<I> where I: DoubleEndedIterator + ExactSizeIterator,`

1.9.0
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####

`fn next_back(&mut self) -> Option<<Skip<I> as Iterator>::Item>`

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Removes and returns an element from the end of the iterator. Read more

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`fn try_rfold<Acc, Fold, R>(&mut self, init: Acc, fold: Fold) -> R where Fold: FnMut(Acc, <Skip<I> as Iterator>::Item) -> R, R: Try<Ok = Acc>, Skip<I>: Sized,`

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This is the reverse version of [`try_fold()`]: it takes elements starting from the back of the iterator. Read more

####

`fn rfold<B, F>(self, accum: B, f: F) -> B where F: FnMut(B, Self::Item) -> B,`

1.27.0
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An iterator method that reduces the iterator's elements to a single, final value, starting from the back. Read more

####

`fn rfind<P>(&mut self, predicate: P) -> Option<Self::Item> where P: FnMut(&Self::Item) -> bool,`

1.27.0
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Searches for an element of an iterator from the back that satisfies a predicate. Read more

## Auto Trait Implementations

###

`impl<I> Send for Skip<I> where I: Send,`

###

`impl<I> Sync for Skip<I> where I: Sync,`

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