Struct sway_ir::function::FunctionIterator

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pub struct FunctionIterator { /* private fields */ }

Expand description

An iterator over each Function in a Module.

Implementations

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impl FunctionIterator

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pub fn new(context: &Context, module: &Module) -> FunctionIteratorⓘNotable traits for FunctionIterator`impl Iterator for FunctionIterator type Item = Function;`

Return a new iterator for the functions in module.

Trait Implementations

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impl Iterator for FunctionIterator

type Item = Function

The type of the elements being iterated over.

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fn next(&mut self) -> Option<Function>

Advances the iterator and returns the next value. Read more

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fn next_chunk<const N: usize>(
&mut self
) -> Result<[Self::Item ; N], IntoIter<Self::Item, N>>

🔬This is a nightly-only experimental API. (iter_next_chunk)

Advances the iterator and returns an array containing the next N values. Read more

1.0.0 · source

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

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

1.0.0 · source

fn count(self) -> usize

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

1.0.0 · source

fn last(self) -> Option<Self::Item>

Consumes the iterator, returning the last element. Read more

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fn advance_by(&mut self, n: usize) -> Result<(), usize>

🔬This is a nightly-only experimental API. (iter_advance_by)

Advances the iterator by n elements. Read more

1.0.0 · source

fn nth(&mut self, n: usize) -> Option<Self::Item>

Returns the nth element of the iterator. Read more

1.28.0 · source

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

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

1.0.0 · source

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

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

1.0.0 · source

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

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

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fn intersperse_with<G>(self, separator: G) -> IntersperseWith<Self, G> where
G: FnMut() -> Self::Item,

🔬This is a nightly-only experimental API. (iter_intersperse)

Creates a new iterator which places an item generated by separator between adjacent items of the original iterator. Read more

1.0.0 · source

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

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

1.21.0 · source

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

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

1.0.0 · source

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

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

1.0.0 · source

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

Creates an iterator that both filters and maps. Read more

1.0.0 · source

fn enumerate(self) -> Enumerate<Self>

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

1.0.0 · source

fn peekable(self) -> Peekable<Self>

Creates an iterator which can use the peek and peek_mut methods to look at the next element of the iterator without consuming it. See their documentation for more information. Read more

1.0.0 · source

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

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

1.0.0 · source

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

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

1.57.0 · source

fn map_while<B, P>(self, predicate: P) -> MapWhile<Self, P> where
P: FnMut(Self::Item) -> Option,

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

1.0.0 · source

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

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

1.0.0 · source

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

Creates an iterator that yields the first n elements, or fewer if the underlying iterator ends sooner. Read more

1.0.0 · source

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

An iterator adapter similar to fold that holds internal state and produces a new iterator. Read more

1.0.0 · source

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

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

1.0.0 · source

fn fuse(self) -> Fuse<Self>

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

1.0.0 · source

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

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

1.0.0 · source

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

Borrows an iterator, rather than consuming it. Read more

1.0.0 · source

fn collect(self) -> B where
B: FromIterator<Self::Item>,

Transforms an iterator into a collection. Read more

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fn collect_into<E>(self, collection: &mut E) -> &mut E where
E: Extend<Self::Item>,

🔬This is a nightly-only experimental API. (iter_collect_into)

Collects all the items from an iterator into a collection. Read more

1.0.0 · source

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

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

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fn is_partitioned(self, predicate: P) -> bool where
P: FnMut(Self::Item) -> bool,

🔬This is a nightly-only experimental API. (iter_is_partitioned)

Checks if the elements of this iterator are partitioned according to the given predicate, such that all those that return true precede all those that return false. Read more

1.27.0 · source

fn try_fold<B, F, R>(&mut self, init: B, f: F) -> R where
F: FnMut(B, Self::Item) -> R,
R: Try<Output = B>,

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

1.27.0 · source

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

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

1.0.0 · source

fn fold<B, F>(self, init: B, f: F) -> B where
F: FnMut(B, Self::Item) -> B,

Folds every element into an accumulator by applying an operation, returning the final result. Read more

1.51.0 · source

fn reduce<F>(self, f: F) -> Option<Self::Item> where
F: FnMut(Self::Item, Self::Item) -> Self::Item,

Reduces the elements to a single one, by repeatedly applying a reducing operation. Read more

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fn try_reduce<F, R>(
 &mut self,
 f: F
) -> <<R as Try>::Residual as Residual<Option<<R as Try>::Output>>>::TryType where
 F: FnMut(Self::Item, Self::Item) -> R,
 R: Try<Output = Self::Item>,
 <R as Try>::Residual: Residual<Option<Self::Item>>,

🔬This is a nightly-only experimental API. (iterator_try_reduce)

Reduces the elements to a single one by repeatedly applying a reducing operation. If the closure returns a failure, the failure is propagated back to the caller immediately. Read more

1.0.0 · source

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

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

1.0.0 · source

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

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

1.0.0 · source

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

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

1.30.0 · source

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

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

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fn try_find<F, R>(
 &mut self,
 f: F
) -> <<R as Try>::Residual as Residual<Option<Self::Item>>>::TryType where
 F: FnMut(&Self::Item) -> R,
 R: Try<Output = bool>,
 <R as Try>::Residual: Residual<Option<Self::Item>>,

🔬This is a nightly-only experimental API. (try_find)

Applies function to the elements of iterator and returns the first true result or the first error. Read more

1.0.0 · source

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

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

1.6.0 · source

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

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

1.15.0 · source

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

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

1.6.0 · source

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

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

1.15.0 · source

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

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

1.0.0 · source

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

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

1.36.0 · source

fn copied<'a, T>(self) -> Copied<Self> where
T: 'a + Copy,
Self: Iterator<Item = &'a T>,

Creates an iterator which copies all of its elements. Read more

1.0.0 · source

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

Creates an iterator which clones all of its elements. Read more

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fn array_chunks<const N: usize>(self) -> ArrayChunks<Self, N>

🔬This is a nightly-only experimental API. (iter_array_chunks)

Returns an iterator over N elements of the iterator at a time. Read more

1.11.0 · source

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

Sums the elements of an iterator. Read more

1.11.0 · source

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

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

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fn cmp_by<I, F>(self, other: I, cmp: F) -> Ordering where
I: IntoIterator,
F: FnMut(Self::Item, ::Item) -> Ordering,

🔬This is a nightly-only experimental API. (iter_order_by)

Lexicographically compares the elements of this Iterator with those of another with respect to the specified comparison function. Read more

1.5.0 · source

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

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

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fn partial_cmp_by<I, F>(self, other: I, partial_cmp: F) -> Option<Ordering> where
I: IntoIterator,
F: FnMut(Self::Item, ::Item) -> Option<Ordering>,

🔬This is a nightly-only experimental API. (iter_order_by)

Lexicographically compares the elements of this Iterator with those of another with respect to the specified comparison function. Read more

1.5.0 · source

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

Determines if the elements of this Iterator are equal to those of another. Read more

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fn eq_by<I, F>(self, other: I, eq: F) -> bool where
I: IntoIterator,
F: FnMut(Self::Item, ::Item) -> bool,

🔬This is a nightly-only experimental API. (iter_order_by)

Determines if the elements of this Iterator are equal to those of another with respect to the specified equality function. Read more

1.5.0 · source

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

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

1.5.0 · source

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

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

1.5.0 · source

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

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

1.5.0 · source

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

Determines if the elements of this Iterator are lexicographically greater than those of another. Read more

1.5.0 · source

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

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

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

🔬This is a nightly-only experimental API. (is_sorted)

Checks if the elements of this iterator are sorted using the given comparator function. Read more

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fn is_sorted_by_key<F, K>(self, f: F) -> bool where
F: FnMut(Self::Item) -> K,
K: PartialOrd<K>,

🔬This is a nightly-only experimental API. (is_sorted)

Checks if the elements of this iterator are sorted using the given key extraction function. Read more

Auto Trait Implementations

impl RefUnwindSafe for FunctionIterator

impl Send for FunctionIterator

impl Sync for FunctionIterator

impl Unpin for FunctionIterator

impl UnwindSafe for FunctionIterator

Blanket Implementations

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl IntoIterator for I where
I: Iterator,

type Item = ::Item

The type of the elements being iterated over.

type IntoIter = I

Which kind of iterator are we turning this into?

const: unstable · source

fn into_iter(self) -> I

Creates an iterator from a value. Read more

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impl IteratorRandom for I where
I: Iterator,

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fn choose<R>(self, rng: &mut R) -> Option<Self::Item> where
R: Rng + ?Sized,

Choose one element at random from the iterator. Read more

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fn choose_stable<R>(self, rng: &mut R) -> Option<Self::Item> where
R: Rng + ?Sized,

Choose one element at random from the iterator. Read more

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fn choose_multiple_fill<R>(self, rng: &mut R, buf: &mut [Self::Item]) -> usize where
R: Rng + ?Sized,

Collects values at random from the iterator into a supplied buffer until that buffer is filled. Read more

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fn choose_multiple<R>(self, rng: &mut R, amount: usize) -> Vec<Self::Item, Global> where
R: Rng + ?Sized,

Collects amount values at random from the iterator into a vector. Read more

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impl<T> Itertools for T where
T: Iterator + ?Sized,

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fn interleave<J>(
 self,
 other: J
) -> Interleave<Self, <J as IntoIterator>::IntoIter> where
 J: IntoIterator<Item = Self::Item>,

Alternate elements from two iterators until both have run out. Read more

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fn interleave_shortest<J>(
 self,
 other: J
) -> InterleaveShortest<Self, <J as IntoIterator>::IntoIter> where
 J: IntoIterator<Item = Self::Item>,

Alternate elements from two iterators until at least one of them has run out. Read more

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fn intersperse(
 self,
 element: Self::Item
) -> IntersperseWith<Self, IntersperseElementSimple<Self::Item>> where
 Self::Item: Clone,

An iterator adaptor to insert a particular value between each element of the adapted iterator. Read more

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fn intersperse_with<F>(self, element: F) -> IntersperseWith<Self, F> where
F: FnMut() -> Self::Item,

An iterator adaptor to insert a particular value created by a function between each element of the adapted iterator. Read more

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fn zip_longest<J>(
 self,
 other: J
) -> ZipLongest<Self, <J as IntoIterator>::IntoIter> where
 J: IntoIterator,

Create an iterator which iterates over both this and the specified iterator simultaneously, yielding pairs of two optional elements. Read more

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fn zip_eq<J>(self, other: J) -> ZipEq<Self, <J as IntoIterator>::IntoIter> where
J: IntoIterator,

Create an iterator which iterates over both this and the specified iterator simultaneously, yielding pairs of elements. Read more

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fn batching<B, F>(self, f: F) -> Batching<Self, F> where
F: FnMut(&mut Self) -> Option,

A “meta iterator adaptor”. Its closure receives a reference to the iterator and may pick off as many elements as it likes, to produce the next iterator element. Read more

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fn group_by<K, F>(self, key: F) -> GroupBy<K, Self, F> where
F: FnMut(&Self::Item) -> K,
K: PartialEq<K>,

Return an iterable that can group iterator elements. Consecutive elements that map to the same key (“runs”), are assigned to the same group. Read more

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fn chunks(self, size: usize) -> IntoChunks<Self>

Return an iterable that can chunk the iterator. Read more

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fn tuple_windows<T>(self) -> TupleWindows<Self, T> where
 Self: Iterator<Item = <T as TupleCollect>::Item>,
 T: HomogeneousTuple,
 <T as TupleCollect>::Item: Clone,

Return an iterator over all contiguous windows producing tuples of a specific size (up to 12). Read more

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fn circular_tuple_windows<T>(self) -> CircularTupleWindows<Self, T> where
 Self: Clone + Iterator<Item = <T as TupleCollect>::Item> + ExactSizeIterator,
 T: TupleCollect + Clone,
 <T as TupleCollect>::Item: Clone,

Return an iterator over all windows, wrapping back to the first elements when the window would otherwise exceed the length of the iterator, producing tuples of a specific size (up to 12). Read more

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fn tuples<T>(self) -> Tuples<Self, T> where
Self: Iterator<Item = <T as TupleCollect>::Item>,
T: HomogeneousTuple,

Return an iterator that groups the items in tuples of a specific size (up to 12). Read more

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fn tee(self) -> (Tee<Self>, Tee<Self>) where
Self::Item: Clone,

Split into an iterator pair that both yield all elements from the original iterator. Read more

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fn step(self, n: usize) -> Step<Self>

👎Deprecated since 0.8.0:

Use std .step_by() instead

Return an iterator adaptor that steps n elements in the base iterator for each iteration. Read more

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fn map_into<R>(self) -> MapSpecialCase<Self, MapSpecialCaseFnInto<R>> where
Self::Item: Into<R>,

Convert each item of the iterator using the Into trait. Read more

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fn map_results<F, T, U, E>(
 self,
 f: F
) -> MapSpecialCase<Self, MapSpecialCaseFnOk<F>> where
 Self: Iterator<Item = Result<T, E>>,
 F: FnMut(T) -> U,

👎Deprecated since 0.10.0:

Use .map_ok() instead

See .map_ok().

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fn map_ok<F, T, U, E>(self, f: F) -> MapSpecialCase<Self, MapSpecialCaseFnOk<F>> where
Self: Iterator<Item = Result<T, E>>,
F: FnMut(T) -> U,

Return an iterator adaptor that applies the provided closure to every Result::Ok value. Result::Err values are unchanged. Read more

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fn filter_ok<F, T, E>(self, f: F) -> FilterOk<Self, F> where
Self: Iterator<Item = Result<T, E>>,
F: FnMut(&T) -> bool,

Return an iterator adaptor that filters every Result::Ok value with the provided closure. Result::Err values are unchanged. Read more

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fn filter_map_ok<F, T, U, E>(self, f: F) -> FilterMapOk<Self, F> where
Self: Iterator<Item = Result<T, E>>,
F: FnMut(T) -> Option,

Return an iterator adaptor that filters and transforms every Result::Ok value with the provided closure. Result::Err values are unchanged. Read more

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fn flatten_ok<T, E>(self) -> FlattenOk<Self, T, E> where
Self: Iterator<Item = Result<T, E>>,
T: IntoIterator,

Return an iterator adaptor that flattens every Result::Ok value into a series of Result::Ok values. Result::Err values are unchanged. Read more

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fn merge<J>(
 self,
 other: J
) -> MergeBy<Self, <J as IntoIterator>::IntoIter, MergeLte> where
 J: IntoIterator<Item = Self::Item>,
 Self::Item: PartialOrd<Self::Item>,

Return an iterator adaptor that merges the two base iterators in ascending order. If both base iterators are sorted (ascending), the result is sorted. Read more

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fn merge_by<J, F>(
 self,
 other: J,
 is_first: F
) -> MergeBy<Self, <J as IntoIterator>::IntoIter, F> where
 J: IntoIterator<Item = Self::Item>,
 F: FnMut(&Self::Item, &Self::Item) -> bool,

Return an iterator adaptor that merges the two base iterators in order. This is much like .merge() but allows for a custom ordering. Read more

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fn merge_join_by<J, F>(
 self,
 other: J,
 cmp_fn: F
) -> MergeJoinBy<Self, <J as IntoIterator>::IntoIter, F> where
 J: IntoIterator,
 F: FnMut(&Self::Item, &<J as IntoIterator>::Item) -> Ordering,

Create an iterator that merges items from both this and the specified iterator in ascending order. Read more

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fn kmerge(self) -> KMergeBy<<Self::Item as IntoIterator>::IntoIter, KMergeByLt> where
Self::Item: IntoIterator,
<Self::Item as IntoIterator>::Item: PartialOrd<<Self::Item as IntoIterator>::Item>,

Return an iterator adaptor that flattens an iterator of iterators by merging them in ascending order. Read more

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fn kmerge_by<F>(
 self,
 first: F
) -> KMergeBy<<Self::Item as IntoIterator>::IntoIter, F> where
 F: FnMut(&<Self::Item as IntoIterator>::Item, &<Self::Item as IntoIterator>::Item) -> bool,
 Self::Item: IntoIterator,

Return an iterator adaptor that flattens an iterator of iterators by merging them according to the given closure. Read more

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fn cartesian_product<J>(
 self,
 other: J
) -> Product<Self, <J as IntoIterator>::IntoIter> where
 J: IntoIterator,
 Self::Item: Clone,
 <J as IntoIterator>::IntoIter: Clone,

Return an iterator adaptor that iterates over the cartesian product of the element sets of two iterators self and J. Read more

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fn multi_cartesian_product(
 self
) -> MultiProduct<<Self::Item as IntoIterator>::IntoIter> where
 Self: Iterator,
 Self::Item: IntoIterator,
 <Self::Item as IntoIterator>::IntoIter: Clone,
 <Self::Item as IntoIterator>::Item: Clone,

Return an iterator adaptor that iterates over the cartesian product of all subiterators returned by meta-iterator self. Read more

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fn coalesce<F>(self, f: F) -> CoalesceBy<Self, F, Self::Item> where
F: FnMut(Self::Item, Self::Item) -> Result<Self::Item, (Self::Item, Self::Item)>,

Return an iterator adaptor that uses the passed-in closure to optionally merge together consecutive elements. Read more

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fn dedup(self) -> CoalesceBy<Self, DedupPred2CoalescePred<DedupEq>, Self::Item> where
Self::Item: PartialEq<Self::Item>,

Remove duplicates from sections of consecutive identical elements. If the iterator is sorted, all elements will be unique. Read more

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fn dedup_by<Cmp>(
 self,
 cmp: Cmp
) -> CoalesceBy<Self, DedupPred2CoalescePred<Cmp>, Self::Item> where
 Cmp: FnMut(&Self::Item, &Self::Item) -> bool,

Remove duplicates from sections of consecutive identical elements, determining equality using a comparison function. If the iterator is sorted, all elements will be unique. Read more

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fn dedup_with_count(
self
) -> CoalesceBy<Self, DedupPredWithCount2CoalescePred<DedupEq>, (usize, Self::Item)>

Remove duplicates from sections of consecutive identical elements, while keeping a count of how many repeated elements were present. If the iterator is sorted, all elements will be unique. Read more

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fn dedup_by_with_count<Cmp>(
 self,
 cmp: Cmp
) -> CoalesceBy<Self, DedupPredWithCount2CoalescePred<Cmp>, (usize, Self::Item)> where
 Cmp: FnMut(&Self::Item, &Self::Item) -> bool,

Remove duplicates from sections of consecutive identical elements, while keeping a count of how many repeated elements were present. This will determine equality using a comparison function. If the iterator is sorted, all elements will be unique. Read more

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fn duplicates(self) -> DuplicatesBy<Self, Self::Item, ById> where
Self::Item: Eq,
Self::Item: Hash,

Return an iterator adaptor that produces elements that appear more than once during the iteration. Duplicates are detected using hash and equality. Read more

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fn duplicates_by<V, F>(self, f: F) -> DuplicatesBy<Self, V, ByFn<F>> where
V: Eq + Hash,
F: FnMut(&Self::Item) -> V,

Return an iterator adaptor that produces elements that appear more than once during the iteration. Duplicates are detected using hash and equality. Read more

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fn unique(self) -> Unique<Self> where
 Self::Item: Clone,
 Self::Item: Eq,
 Self::Item: Hash,

Return an iterator adaptor that filters out elements that have already been produced once during the iteration. Duplicates are detected using hash and equality. Read more

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fn unique_by<V, F>(self, f: F) -> UniqueBy<Self, V, F> where
V: Eq + Hash,
F: FnMut(&Self::Item) -> V,

Return an iterator adaptor that filters out elements that have already been produced once during the iteration. Read more

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fn peeking_take_while<F>(&mut self, accept: F) -> PeekingTakeWhile<'_, Self, F> where
Self: PeekingNext,
F: FnMut(&Self::Item) -> bool,

Return an iterator adaptor that borrows from this iterator and takes items while the closure accept returns true. Read more

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fn take_while_ref<F>(&mut self, accept: F) -> TakeWhileRef<'_, Self, F> where
Self: Clone,
F: FnMut(&Self::Item) -> bool,

Return an iterator adaptor that borrows from a Clone-able iterator to only pick off elements while the predicate accept returns true. Read more

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fn while_some<A>(self) -> WhileSome<Self> where
Self: Iterator<Item = Option<A>>,

Return an iterator adaptor that filters Option<A> iterator elements and produces A. Stops on the first None encountered. Read more

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fn tuple_combinations<T>(self) -> TupleCombinations<Self, T> where
 Self: Clone,
 T: HasCombination<Self>,
 Self::Item: Clone,

Return an iterator adaptor that iterates over the combinations of the elements from an iterator. Read more

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fn combinations(self, k: usize) -> Combinations<Self> where
Self::Item: Clone,

Return an iterator adaptor that iterates over the k-length combinations of the elements from an iterator. Read more

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fn combinations_with_replacement(
 self,
 k: usize
) -> CombinationsWithReplacement<Self> where
 Self::Item: Clone,

Return an iterator that iterates over the k-length combinations of the elements from an iterator, with replacement. Read more

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fn permutations(self, k: usize) -> Permutations<Self> where
Self::Item: Clone,

Return an iterator adaptor that iterates over all k-permutations of the elements from an iterator. Read more

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fn powerset(self) -> Powerset<Self> where
Self::Item: Clone,

Return an iterator that iterates through the powerset of the elements from an iterator. Read more

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fn pad_using<F>(self, min: usize, f: F) -> PadUsing<Self, F> where
F: FnMut(usize) -> Self::Item,

Return an iterator adaptor that pads the sequence to a minimum length of min by filling missing elements using a closure f. Read more

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fn with_position(self) -> WithPosition<Self>

Return an iterator adaptor that wraps each element in a Position to ease special-case handling of the first or last elements. Read more

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fn positions(self, predicate: P) -> Positions<Self, P> where
P: FnMut(Self::Item) -> bool,

Return an iterator adaptor that yields the indices of all elements satisfying a predicate, counted from the start of the iterator. Read more

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fn update<F>(self, updater: F) -> Update<Self, F> where
F: FnMut(&mut Self::Item),

Return an iterator adaptor that applies a mutating function to each element before yielding it. Read more

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fn next_tuple<T>(&mut self) -> Option<T> where
Self: Iterator<Item = <T as TupleCollect>::Item>,
T: HomogeneousTuple,

Advances the iterator and returns the next items grouped in a tuple of a specific size (up to 12). Read more

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fn collect_tuple<T>(self) -> Option<T> where
Self: Iterator<Item = <T as TupleCollect>::Item>,
T: HomogeneousTuple,

Collects all items from the iterator into a tuple of a specific size (up to 12). Read more

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fn find_position(&mut self, pred: P) -> Option<(usize, Self::Item)> where
P: FnMut(&Self::Item) -> bool,

Find the position and value of the first element satisfying a predicate. Read more

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

Find the value of the first element satisfying a predicate or return the last element, if any. Read more

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

Find the value of the first element satisfying a predicate or return the first element, if any. Read more

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fn contains<Q>(&mut self, query: &Q) -> bool where
Q: PartialEq<Q>,
Self::Item: Borrow<Q>,

Returns true if the given item is present in this iterator. Read more

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fn all_equal(&mut self) -> bool where
Self::Item: PartialEq<Self::Item>,

Check whether all elements compare equal. Read more

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fn all_unique(&mut self) -> bool where
Self::Item: Eq,
Self::Item: Hash,

Check whether all elements are unique (non equal). Read more

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fn dropping(self, n: usize) -> Self

Consume the first n elements from the iterator eagerly, and return the same iterator again. Read more

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fn dropping_back(self, n: usize) -> Self where
Self: DoubleEndedIterator,

Consume the last n elements from the iterator eagerly, and return the same iterator again. Read more

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

👎Deprecated since 0.8.0:

Use .for_each() instead

Run the closure f eagerly on each element of the iterator. Read more

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fn concat(self) -> Self::Item where
 Self::Item: Extend<<Self::Item as IntoIterator>::Item>,
 Self::Item: IntoIterator,
 Self::Item: Default,

Combine all an iterator’s elements into one element by using Extend. Read more

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fn collect_vec(self) -> Vec<Self::Item, Global>

.collect_vec() is simply a type specialization of Iterator::collect, for convenience. Read more

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fn try_collect<T, U, E>(self) -> Result<U, E> where
Self: Iterator<Item = Result<T, E>>,
Result<U, E>: FromIterator<Result<T, E>>,

.try_collect() is more convenient way of writing .collect::<Result<_, _>>() Read more

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fn set_from<'a, A, J>(&mut self, from: J) -> usize where
 A: 'a,
 Self: Iterator<Item = &'a mut A>,
 J: IntoIterator<Item = A>,

Assign to each reference in self from the from iterator, stopping at the shortest of the two iterators. Read more

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fn join(&mut self, sep: &str) -> String where
Self::Item: Display,

Combine all iterator elements into one String, separated by sep. Read more

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fn format(self, sep: &str) -> Format<'_, Self>

Format all iterator elements, separated by sep. Read more

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fn format_with<F>(self, sep: &str, format: F) -> FormatWith<'_, Self, F> where
F: FnMut(Self::Item, &mut dyn FnMut(&dyn Display)) -> Result<(), Error>,

Format all iterator elements, separated by sep. Read more

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fn fold_results<A, E, B, F>(&mut self, start: B, f: F) -> Result<B, E> where
Self: Iterator<Item = Result<A, E>>,
F: FnMut(B, A) -> B,

👎Deprecated since 0.10.0:

Use .fold_ok() instead

See .fold_ok().

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fn fold_ok<A, E, B, F>(&mut self, start: B, f: F) -> Result<B, E> where
Self: Iterator<Item = Result<A, E>>,
F: FnMut(B, A) -> B,

Fold Result values from an iterator. Read more

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fn fold_options<A, B, F>(&mut self, start: B, f: F) -> Option where
Self: Iterator<Item = Option<A>>,
F: FnMut(B, A) -> B,

Fold Option values from an iterator. Read more

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fn fold1<F>(self, f: F) -> Option<Self::Item> where
F: FnMut(Self::Item, Self::Item) -> Self::Item,

👎Deprecated since 0.10.2:

Use Iterator::reduce instead

Accumulator of the elements in the iterator. Read more

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fn tree_fold1<F>(self, f: F) -> Option<Self::Item> where
F: FnMut(Self::Item, Self::Item) -> Self::Item,

Accumulate the elements in the iterator in a tree-like manner. Read more

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fn fold_while<B, F>(&mut self, init: B, f: F) -> FoldWhile where
F: FnMut(B, Self::Item) -> FoldWhile,

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

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fn sum1<S>(self) -> Option<S> where
S: Sum<Self::Item>,

Iterate over the entire iterator and add all the elements. Read more

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