[][src]Struct rayon::iter::ZipEq

#[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
pub struct ZipEq<A: IndexedParallelIterator, B: IndexedParallelIterator> { /* fields omitted */ }

An IndexedParallelIterator that iterates over two parallel iterators of equal length simultaneously.

This struct is created by the zip_eq method on IndexedParallelIterator, see its documentation for more information.

Trait Implementations

impl<A, B> ParallelIterator for ZipEq<A, B> where
    A: IndexedParallelIterator,
    B: IndexedParallelIterator
[src]

type Item = (A::Item, B::Item)

The type of item that this parallel iterator produces. For example, if you use the [for_each] method, this is the type of item that your closure will be invoked with. Read more

fn for_each<OP>(self, op: OP) where
    OP: Fn(Self::Item) + Sync + Send
[src]

Executes OP on each item produced by the iterator, in parallel. Read more

fn for_each_with<OP, T>(self, init: T, op: OP) where
    OP: Fn(&mut T, Self::Item) + Sync + Send,
    T: Send + Clone
[src]

Executes OP on the given init value with each item produced by the iterator, in parallel. Read more

fn for_each_init<OP, INIT, T>(self, init: INIT, op: OP) where
    OP: Fn(&mut T, Self::Item) + Sync + Send,
    INIT: Fn() -> T + Sync + Send
[src]

Executes OP on a value returned by init with each item produced by the iterator, in parallel. Read more

fn try_for_each<OP, R>(self, op: OP) -> R where
    OP: Fn(Self::Item) -> R + Sync + Send,
    R: Try<Ok = ()> + Send
[src]

Executes a fallible OP on each item produced by the iterator, in parallel. Read more

fn try_for_each_with<OP, T, R>(self, init: T, op: OP) -> R where
    OP: Fn(&mut T, Self::Item) -> R + Sync + Send,
    T: Send + Clone,
    R: Try<Ok = ()> + Send
[src]

Executes a fallible OP on the given init value with each item produced by the iterator, in parallel. Read more

fn try_for_each_init<OP, INIT, T, R>(self, init: INIT, op: OP) -> R where
    OP: Fn(&mut T, Self::Item) -> R + Sync + Send,
    INIT: Fn() -> T + Sync + Send,
    R: Try<Ok = ()> + Send
[src]

Executes a fallible OP on a value returned by init with each item produced by the iterator, in parallel. Read more

fn count(self) -> usize[src]

Counts the number of items in this parallel iterator. Read more

fn map<F, R>(self, map_op: F) -> Map<Self, F> where
    F: Fn(Self::Item) -> R + Sync + Send,
    R: Send
[src]

Applies map_op to each item of this iterator, producing a new iterator with the results. Read more

fn map_with<F, T, R>(self, init: T, map_op: F) -> MapWith<Self, T, F> where
    F: Fn(&mut T, Self::Item) -> R + Sync + Send,
    T: Send + Clone,
    R: Send
[src]

Applies map_op to the given init value with each item of this iterator, producing a new iterator with the results. Read more

fn map_init<F, INIT, T, R>(
    self,
    init: INIT,
    map_op: F
) -> MapInit<Self, INIT, F> where
    F: Fn(&mut T, Self::Item) -> R + Sync + Send,
    INIT: Fn() -> T + Sync + Send,
    R: Send
[src]

Applies map_op to a value returned by init with each item of this iterator, producing a new iterator with the results. Read more

fn cloned<'a, T>(self) -> Cloned<Self> where
    T: 'a + Clone + Send,
    Self: ParallelIterator<Item = &'a T>, 
[src]

Creates an iterator which clones all of its elements. This may be useful when you have an iterator over &T, but you need T, and that type implements Clone. See also [copied()]. Read more

fn copied<'a, T>(self) -> Copied<Self> where
    T: 'a + Copy + Send,
    Self: ParallelIterator<Item = &'a T>, 
[src]

Creates an iterator which copies all of its elements. This may be useful when you have an iterator over &T, but you need T, and that type implements Copy. See also [cloned()]. Read more

fn inspect<OP>(self, inspect_op: OP) -> Inspect<Self, OP> where
    OP: Fn(&Self::Item) + Sync + Send
[src]

Applies inspect_op to a reference to each item of this iterator, producing a new iterator passing through the original items. This is often useful for debugging to see what's happening in iterator stages. Read more

fn update<F>(self, update_op: F) -> Update<Self, F> where
    F: Fn(&mut Self::Item) + Sync + Send
[src]

Mutates each item of this iterator before yielding it. Read more

fn filter<P>(self, filter_op: P) -> Filter<Self, P> where
    P: Fn(&Self::Item) -> bool + Sync + Send
[src]

Applies filter_op to each item of this iterator, producing a new iterator with only the items that gave true results. Read more

fn filter_map<P, R>(self, filter_op: P) -> FilterMap<Self, P> where
    P: Fn(Self::Item) -> Option<R> + Sync + Send,
    R: Send
[src]

Applies filter_op to each item of this iterator to get an Option, producing a new iterator with only the items from Some results. Read more

fn flat_map<F, PI>(self, map_op: F) -> FlatMap<Self, F> where
    F: Fn(Self::Item) -> PI + Sync + Send,
    PI: IntoParallelIterator
[src]

Applies map_op to each item of this iterator to get nested iterators, producing a new iterator that flattens these back into one. Read more

fn flatten(self) -> Flatten<Self> where
    Self::Item: IntoParallelIterator
[src]

An adaptor that flattens iterable Items into one large iterator Read more

fn reduce<OP, ID>(self, identity: ID, op: OP) -> Self::Item where
    OP: Fn(Self::Item, Self::Item) -> Self::Item + Sync + Send,
    ID: Fn() -> Self::Item + Sync + Send
[src]

Reduces the items in the iterator into one item using op. The argument identity should be a closure that can produce "identity" value which may be inserted into the sequence as needed to create opportunities for parallel execution. So, for example, if you are doing a summation, then identity() ought to produce something that represents the zero for your type (but consider just calling sum() in that case). Read more

fn reduce_with<OP>(self, op: OP) -> Option<Self::Item> where
    OP: Fn(Self::Item, Self::Item) -> Self::Item + Sync + Send
[src]

Reduces the items in the iterator into one item using op. If the iterator is empty, None is returned; otherwise, Some is returned. Read more

fn try_reduce<T, OP, ID>(self, identity: ID, op: OP) -> Self::Item where
    OP: Fn(T, T) -> Self::Item + Sync + Send,
    ID: Fn() -> T + Sync + Send,
    Self::Item: Try<Ok = T>, 
[src]

Reduces the items in the iterator into one item using a fallible op. The identity argument is used the same way as in [reduce()]. Read more

fn try_reduce_with<T, OP>(self, op: OP) -> Option<Self::Item> where
    OP: Fn(T, T) -> Self::Item + Sync + Send,
    Self::Item: Try<Ok = T>, 
[src]

Reduces the items in the iterator into one item using a fallible op. Read more

fn fold<T, ID, F>(self, identity: ID, fold_op: F) -> Fold<Self, ID, F> where
    F: Fn(T, Self::Item) -> T + Sync + Send,
    ID: Fn() -> T + Sync + Send,
    T: Send
[src]

Parallel fold is similar to sequential fold except that the sequence of items may be subdivided before it is folded. Consider a list of numbers like 22 3 77 89 46. If you used sequential fold to add them (fold(0, |a,b| a+b), you would wind up first adding 0 + 22, then 22 + 3, then 25 + 77, and so forth. The parallel fold works similarly except that it first breaks up your list into sublists, and hence instead of yielding up a single sum at the end, it yields up multiple sums. The number of results is nondeterministic, as is the point where the breaks occur. Read more

fn fold_with<F, T>(self, init: T, fold_op: F) -> FoldWith<Self, T, F> where
    F: Fn(T, Self::Item) -> T + Sync + Send,
    T: Send + Clone
[src]

Applies fold_op to the given init value with each item of this iterator, finally producing the value for further use. Read more

fn try_fold<T, R, ID, F>(
    self,
    identity: ID,
    fold_op: F
) -> TryFold<Self, R, ID, F> where
    F: Fn(T, Self::Item) -> R + Sync + Send,
    ID: Fn() -> T + Sync + Send,
    R: Try<Ok = T> + Send
[src]

Perform a fallible parallel fold. Read more

fn try_fold_with<F, T, R>(self, init: T, fold_op: F) -> TryFoldWith<Self, R, F> where
    F: Fn(T, Self::Item) -> R + Sync + Send,
    R: Try<Ok = T> + Send,
    T: Clone + Send
[src]

Perform a fallible parallel fold with a cloneable init value. Read more

fn sum<S>(self) -> S where
    S: Send + Sum<Self::Item> + Sum<S>, 
[src]

Sums up the items in the iterator. Read more

fn product<P>(self) -> P where
    P: Send + Product<Self::Item> + Product<P>, 
[src]

Multiplies all the items in the iterator. Read more

fn min(self) -> Option<Self::Item> where
    Self::Item: Ord
[src]

Computes the minimum of all the items in the iterator. If the iterator is empty, None is returned; otherwise, Some(min) is returned. Read more

fn min_by<F>(self, f: F) -> Option<Self::Item> where
    F: Sync + Send + Fn(&Self::Item, &Self::Item) -> Ordering
[src]

Computes the minimum of all the items in the iterator with respect to the given comparison function. If the iterator is empty, None is returned; otherwise, Some(min) is returned. Read more

fn min_by_key<K, F>(self, f: F) -> Option<Self::Item> where
    K: Ord + Send,
    F: Sync + Send + Fn(&Self::Item) -> K, 
[src]

Computes the item that yields the minimum value for the given function. If the iterator is empty, None is returned; otherwise, Some(item) is returned. Read more

fn max(self) -> Option<Self::Item> where
    Self::Item: Ord
[src]

Computes the maximum of all the items in the iterator. If the iterator is empty, None is returned; otherwise, Some(max) is returned. Read more

fn max_by<F>(self, f: F) -> Option<Self::Item> where
    F: Sync + Send + Fn(&Self::Item, &Self::Item) -> Ordering
[src]

Computes the maximum of all the items in the iterator with respect to the given comparison function. If the iterator is empty, None is returned; otherwise, Some(min) is returned. Read more

fn max_by_key<K, F>(self, f: F) -> Option<Self::Item> where
    K: Ord + Send,
    F: Sync + Send + Fn(&Self::Item) -> K, 
[src]

Computes the item that yields the maximum value for the given function. If the iterator is empty, None is returned; otherwise, Some(item) is returned. Read more

fn chain<C>(self, chain: C) -> Chain<Self, C::Iter> where
    C: IntoParallelIterator<Item = Self::Item>, 
[src]

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

fn find_any<P>(self, predicate: P) -> Option<Self::Item> where
    P: Fn(&Self::Item) -> bool + Sync + Send
[src]

Searches for some item in the parallel iterator that matches the given predicate and returns it. This operation is similar to [find on sequential iterators][find] but the item returned may not be the first one in the parallel sequence which matches, since we search the entire sequence in parallel. Read more

fn find_first<P>(self, predicate: P) -> Option<Self::Item> where
    P: Fn(&Self::Item) -> bool + Sync + Send
[src]

Searches for the sequentially first item in the parallel iterator that matches the given predicate and returns it. Read more

fn find_last<P>(self, predicate: P) -> Option<Self::Item> where
    P: Fn(&Self::Item) -> bool + Sync + Send
[src]

Searches for the sequentially last item in the parallel iterator that matches the given predicate and returns it. Read more

fn find_map_any<P, R>(self, predicate: P) -> Option<R> where
    P: Fn(Self::Item) -> Option<R> + Sync + Send,
    R: Send
[src]

Applies the given predicate to the items in the parallel iterator and returns any non-None result of the map operation. Read more

fn find_map_first<P, R>(self, predicate: P) -> Option<R> where
    P: Fn(Self::Item) -> Option<R> + Sync + Send,
    R: Send
[src]

Applies the given predicate to the items in the parallel iterator and returns the sequentially first non-None result of the map operation. Read more

fn find_map_last<P, R>(self, predicate: P) -> Option<R> where
    P: Fn(Self::Item) -> Option<R> + Sync + Send,
    R: Send
[src]

Applies the given predicate to the items in the parallel iterator and returns the sequentially last non-None result of the map operation. Read more

fn any<P>(self, predicate: P) -> bool where
    P: Fn(Self::Item) -> bool + Sync + Send
[src]

Searches for some item in the parallel iterator that matches the given predicate, and if so returns true. Once a match is found, we'll attempt to stop process the rest of the items. Proving that there's no match, returning false, does require visiting every item. Read more

fn all<P>(self, predicate: P) -> bool where
    P: Fn(Self::Item) -> bool + Sync + Send
[src]

Tests that every item in the parallel iterator matches the given predicate, and if so returns true. If a counter-example is found, we'll attempt to stop processing more items, then return false. Read more

fn while_some<T>(self) -> WhileSome<Self> where
    Self: ParallelIterator<Item = Option<T>>,
    T: Send
[src]

Creates an iterator over the Some items of this iterator, halting as soon as any None is found. Read more

fn panic_fuse(self) -> PanicFuse<Self>[src]

Wraps an iterator with a fuse in case of panics, to halt all threads as soon as possible. Read more

fn collect<C>(self) -> C where
    C: FromParallelIterator<Self::Item>, 
[src]

Create a fresh collection containing all the element produced by this parallel iterator. Read more

fn unzip<A, B, FromA, FromB>(self) -> (FromA, FromB) where
    Self: ParallelIterator<Item = (A, B)>,
    FromA: Default + Send + ParallelExtend<A>,
    FromB: Default + Send + ParallelExtend<B>,
    A: Send,
    B: Send
[src]

Unzips the items of a parallel iterator into a pair of arbitrary ParallelExtend containers. Read more

fn partition<A, B, P>(self, predicate: P) -> (A, B) where
    A: Default + Send + ParallelExtend<Self::Item>,
    B: Default + Send + ParallelExtend<Self::Item>,
    P: Fn(&Self::Item) -> bool + Sync + Send
[src]

Partitions the items of a parallel iterator into a pair of arbitrary ParallelExtend containers. Items for which the predicate returns true go into the first container, and the rest go into the second. Read more

fn partition_map<A, B, P, L, R>(self, predicate: P) -> (A, B) where
    A: Default + Send + ParallelExtend<L>,
    B: Default + Send + ParallelExtend<R>,
    P: Fn(Self::Item) -> Either<L, R> + Sync + Send,
    L: Send,
    R: Send
[src]

Partitions and maps the items of a parallel iterator into a pair of arbitrary ParallelExtend containers. Either::Left items go into the first container, and Either::Right items go into the second. Read more

fn intersperse(self, element: Self::Item) -> Intersperse<Self> where
    Self::Item: Clone
[src]

Intersperses clones of an element between items of this iterator. Read more

impl<A, B> IndexedParallelIterator for ZipEq<A, B> where
    A: IndexedParallelIterator,
    B: IndexedParallelIterator
[src]

fn collect_into_vec(self, target: &mut Vec<Self::Item>)[src]

Collects the results of the iterator into the specified vector. The vector is always truncated before execution begins. If possible, reusing the vector across calls can lead to better performance since it reuses the same backing buffer. Read more

fn unzip_into_vecs<A, B>(self, left: &mut Vec<A>, right: &mut Vec<B>) where
    Self: IndexedParallelIterator<Item = (A, B)>,
    A: Send,
    B: Send
[src]

Unzips the results of the iterator into the specified vectors. The vectors are always truncated before execution begins. If possible, reusing the vectors across calls can lead to better performance since they reuse the same backing buffer. Read more

fn zip<Z>(self, zip_op: Z) -> Zip<Self, Z::Iter> where
    Z: IntoParallelIterator,
    Z::Iter: IndexedParallelIterator
[src]

Iterate over tuples (A, B), where the items A are from this iterator and B are from the iterator given as argument. Like the zip method on ordinary iterators, if the two iterators are of unequal length, you only get the items they have in common. Read more

fn zip_eq<Z>(self, zip_op: Z) -> ZipEq<Self, Z::Iter> where
    Z: IntoParallelIterator,
    Z::Iter: IndexedParallelIterator
[src]

The same as Zip, but requires that both iterators have the same length. Read more

fn interleave<I>(self, other: I) -> Interleave<Self, I::Iter> where
    I: IntoParallelIterator<Item = Self::Item>,
    I::Iter: IndexedParallelIterator<Item = Self::Item>, 
[src]

Interleave elements of this iterator and the other given iterator. Alternately yields elements from this iterator and the given iterator, until both are exhausted. If one iterator is exhausted before the other, the last elements are provided from the other. Read more

fn interleave_shortest<I>(self, other: I) -> InterleaveShortest<Self, I::Iter> where
    I: IntoParallelIterator<Item = Self::Item>,
    I::Iter: IndexedParallelIterator<Item = Self::Item>, 
[src]

Interleave elements of this iterator and the other given iterator, until one is exhausted. Read more

fn chunks(self, chunk_size: usize) -> Chunks<Self>[src]

Split an iterator up into fixed-size chunks. Read more

fn cmp<I>(self, other: I) -> Ordering where
    I: IntoParallelIterator<Item = Self::Item>,
    I::Iter: IndexedParallelIterator,
    Self::Item: Ord
[src]

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

fn partial_cmp<I>(self, other: I) -> Option<Ordering> where
    I: IntoParallelIterator,
    I::Iter: IndexedParallelIterator,
    Self::Item: PartialOrd<I::Item>, 
[src]

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

fn eq<I>(self, other: I) -> bool where
    I: IntoParallelIterator,
    I::Iter: IndexedParallelIterator,
    Self::Item: PartialEq<I::Item>, 
[src]

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

fn ne<I>(self, other: I) -> bool where
    I: IntoParallelIterator,
    I::Iter: IndexedParallelIterator,
    Self::Item: PartialEq<I::Item>, 
[src]

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

fn lt<I>(self, other: I) -> bool where
    I: IntoParallelIterator,
    I::Iter: IndexedParallelIterator,
    Self::Item: PartialOrd<I::Item>, 
[src]

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

fn le<I>(self, other: I) -> bool where
    I: IntoParallelIterator,
    I::Iter: IndexedParallelIterator,
    Self::Item: PartialOrd<I::Item>, 
[src]

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

fn gt<I>(self, other: I) -> bool where
    I: IntoParallelIterator,
    I::Iter: IndexedParallelIterator,
    Self::Item: PartialOrd<I::Item>, 
[src]

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

fn ge<I>(self, other: I) -> bool where
    I: IntoParallelIterator,
    I::Iter: IndexedParallelIterator,
    Self::Item: PartialOrd<I::Item>, 
[src]

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

fn enumerate(self) -> Enumerate<Self>[src]

Yields an index along with each item. Read more

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

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

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

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

fn position_any<P>(self, predicate: P) -> Option<usize> where
    P: Fn(Self::Item) -> bool + Sync + Send
[src]

Searches for some item in the parallel iterator that matches the given predicate, and returns its index. Like ParallelIterator::find_any, the parallel search will not necessarily find the first match, and once a match is found we'll attempt to stop processing any more. Read more

fn position_first<P>(self, predicate: P) -> Option<usize> where
    P: Fn(Self::Item) -> bool + Sync + Send
[src]

Searches for the sequentially first item in the parallel iterator that matches the given predicate, and returns its index. Read more

fn position_last<P>(self, predicate: P) -> Option<usize> where
    P: Fn(Self::Item) -> bool + Sync + Send
[src]

Searches for the sequentially last item in the parallel iterator that matches the given predicate, and returns its index. Read more

fn rev(self) -> Rev<Self>[src]

Produces a new iterator with the elements of this iterator in reverse order. Read more

fn with_min_len(self, min: usize) -> MinLen<Self>[src]

Sets the minimum length of iterators desired to process in each thread. Rayon will not split any smaller than this length, but of course an iterator could already be smaller to begin with. Read more

fn with_max_len(self, max: usize) -> MaxLen<Self>[src]

Sets the maximum length of iterators desired to process in each thread. Rayon will try to split at least below this length, unless that would put it below the length from with_min_len(). For example, given min=10 and max=15, a length of 16 will not be split any further. Read more

impl<A: Clone + IndexedParallelIterator, B: Clone + IndexedParallelIterator> Clone for ZipEq<A, B>[src]

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl<A: Debug + IndexedParallelIterator, B: Debug + IndexedParallelIterator> Debug for ZipEq<A, B>[src]

Auto Trait Implementations

impl<A, B> Unpin for ZipEq<A, B> where
    A: Unpin,
    B: Unpin

impl<A, B> Sync for ZipEq<A, B> where
    A: Sync,
    B: Sync

impl<A, B> Send for ZipEq<A, B>

impl<A, B> UnwindSafe for ZipEq<A, B> where
    A: UnwindSafe,
    B: UnwindSafe

impl<A, B> RefUnwindSafe for ZipEq<A, B> where
    A: RefUnwindSafe,
    B: RefUnwindSafe

Blanket Implementations

impl<T> IntoParallelIterator for T where
    T: ParallelIterator
[src]

type Iter = T

The parallel iterator type that will be created.

type Item = <T as ParallelIterator>::Item

The type of item that the parallel iterator will produce.

impl<T> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

impl<T> Any for T where
    T: 'static + ?Sized
[src]