[−][src]Struct rayon::result::IntoIter
Parallel iterator over a result
Trait Implementations
impl<T: Send> ParallelIterator for IntoIter<T>
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type Item = T
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 drive_unindexed<C>(self, consumer: C) -> C::Result where
C: UnindexedConsumer<Self::Item>,
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C: UnindexedConsumer<Self::Item>,
fn opt_len(&self) -> Option<usize>
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fn for_each<OP>(self, op: OP) where
OP: Fn(Self::Item) + Sync + Send,
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OP: Fn(Self::Item) + Sync + Send,
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,
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OP: Fn(&mut T, Self::Item) + Sync + Send,
T: Send + Clone,
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,
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OP: Fn(&mut T, Self::Item) + Sync + Send,
INIT: Fn() -> T + Sync + Send,
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,
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OP: Fn(Self::Item) -> R + Sync + Send,
R: Try<Ok = ()> + Send,
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,
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OP: Fn(&mut T, Self::Item) -> R + Sync + Send,
T: Send + Clone,
R: Try<Ok = ()> + Send,
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,
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OP: Fn(&mut T, Self::Item) -> R + Sync + Send,
INIT: Fn() -> T + Sync + Send,
R: Try<Ok = ()> + Send,
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
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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,
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F: Fn(Self::Item) -> R + Sync + Send,
R: Send,
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,
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F: Fn(&mut T, Self::Item) -> R + Sync + Send,
T: Send + Clone,
R: Send,
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,
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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,
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>,
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T: 'a + Clone + Send,
Self: ParallelIterator<Item = &'a T>,
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>,
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T: 'a + Copy + Send,
Self: ParallelIterator<Item = &'a T>,
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,
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OP: Fn(&Self::Item) + Sync + Send,
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,
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F: Fn(&mut Self::Item) + Sync + Send,
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,
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P: Fn(&Self::Item) -> bool + Sync + Send,
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,
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P: Fn(Self::Item) -> Option<R> + Sync + Send,
R: Send,
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,
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F: Fn(Self::Item) -> PI + Sync + Send,
PI: IntoParallelIterator,
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,
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Self::Item: IntoParallelIterator,
An adaptor that flattens iterable Item
s 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,
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OP: Fn(Self::Item, Self::Item) -> Self::Item + Sync + Send,
ID: Fn() -> Self::Item + Sync + Send,
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,
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OP: Fn(Self::Item, Self::Item) -> Self::Item + Sync + Send,
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>,
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OP: Fn(T, T) -> Self::Item + Sync + Send,
ID: Fn() -> T + Sync + Send,
Self::Item: Try<Ok = T>,
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>,
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OP: Fn(T, T) -> Self::Item + Sync + Send,
Self::Item: Try<Ok = T>,
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,
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F: Fn(T, Self::Item) -> T + Sync + Send,
ID: Fn() -> T + Sync + Send,
T: Send,
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,
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F: Fn(T, Self::Item) -> T + Sync + Send,
T: Send + Clone,
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,
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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,
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,
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F: Fn(T, Self::Item) -> R + Sync + Send,
R: Try<Ok = T> + Send,
T: Clone + Send,
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>,
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S: Send + Sum<Self::Item> + Sum<S>,
Sums up the items in the iterator. Read more
fn product<P>(self) -> P where
P: Send + Product<Self::Item> + Product<P>,
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P: Send + Product<Self::Item> + Product<P>,
Multiplies all the items in the iterator. Read more
fn min(self) -> Option<Self::Item> where
Self::Item: Ord,
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Self::Item: Ord,
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,
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F: Sync + Send + Fn(&Self::Item, &Self::Item) -> Ordering,
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,
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K: Ord + Send,
F: Sync + Send + Fn(&Self::Item) -> K,
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,
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Self::Item: Ord,
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,
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F: Sync + Send + Fn(&Self::Item, &Self::Item) -> Ordering,
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,
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K: Ord + Send,
F: Sync + Send + Fn(&Self::Item) -> K,
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>,
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C: IntoParallelIterator<Item = Self::Item>,
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,
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P: Fn(&Self::Item) -> bool + Sync + Send,
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,
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P: Fn(&Self::Item) -> bool + Sync + Send,
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,
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P: Fn(&Self::Item) -> bool + Sync + Send,
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,
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P: Fn(Self::Item) -> Option<R> + Sync + Send,
R: Send,
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,
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P: Fn(Self::Item) -> Option<R> + Sync + Send,
R: Send,
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,
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P: Fn(Self::Item) -> Option<R> + Sync + Send,
R: Send,
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,
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P: Fn(Self::Item) -> bool + Sync + Send,
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,
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P: Fn(Self::Item) -> bool + Sync + Send,
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,
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Self: ParallelIterator<Item = Option<T>>,
T: Send,
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>
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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>,
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C: FromParallelIterator<Self::Item>,
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,
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Self: ParallelIterator<Item = (A, B)>,
FromA: Default + Send + ParallelExtend<A>,
FromB: Default + Send + ParallelExtend<B>,
A: Send,
B: Send,
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,
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A: Default + Send + ParallelExtend<Self::Item>,
B: Default + Send + ParallelExtend<Self::Item>,
P: Fn(&Self::Item) -> bool + Sync + Send,
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,
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A: Default + Send + ParallelExtend<L>,
B: Default + Send + ParallelExtend<R>,
P: Fn(Self::Item) -> Either<L, R> + Sync + Send,
L: Send,
R: Send,
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,
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Self::Item: Clone,
Intersperses clones of an element between items of this iterator. Read more
impl<T: Send> IndexedParallelIterator for IntoIter<T>
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fn drive<C>(self, consumer: C) -> C::Result where
C: Consumer<Self::Item>,
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C: Consumer<Self::Item>,
fn len(&self) -> usize
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fn with_producer<CB>(self, callback: CB) -> CB::Output where
CB: ProducerCallback<Self::Item>,
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CB: ProducerCallback<Self::Item>,
fn collect_into_vec(self, target: &mut Vec<Self::Item>)
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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,
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Self: IndexedParallelIterator<Item = (A, B)>,
A: Send,
B: Send,
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,
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Z: IntoParallelIterator,
Z::Iter: IndexedParallelIterator,
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,
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Z: IntoParallelIterator,
Z::Iter: IndexedParallelIterator,
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>,
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I: IntoParallelIterator<Item = Self::Item>,
I::Iter: IndexedParallelIterator<Item = Self::Item>,
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>,
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I: IntoParallelIterator<Item = Self::Item>,
I::Iter: IndexedParallelIterator<Item = Self::Item>,
Interleave elements of this iterator and the other given iterator, until one is exhausted. Read more
fn chunks(self, chunk_size: usize) -> Chunks<Self>
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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,
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I: IntoParallelIterator<Item = Self::Item>,
I::Iter: IndexedParallelIterator,
Self::Item: Ord,
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>,
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I: IntoParallelIterator,
I::Iter: IndexedParallelIterator,
Self::Item: PartialOrd<I::Item>,
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>,
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I: IntoParallelIterator,
I::Iter: IndexedParallelIterator,
Self::Item: PartialEq<I::Item>,
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>,
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I: IntoParallelIterator,
I::Iter: IndexedParallelIterator,
Self::Item: PartialEq<I::Item>,
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>,
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I: IntoParallelIterator,
I::Iter: IndexedParallelIterator,
Self::Item: PartialOrd<I::Item>,
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>,
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I: IntoParallelIterator,
I::Iter: IndexedParallelIterator,
Self::Item: PartialOrd<I::Item>,
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>,
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I: IntoParallelIterator,
I::Iter: IndexedParallelIterator,
Self::Item: PartialOrd<I::Item>,
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>,
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I: IntoParallelIterator,
I::Iter: IndexedParallelIterator,
Self::Item: PartialOrd<I::Item>,
Determines if the elements of this ParallelIterator
are less or equal to those of another. Read more
fn enumerate(self) -> Enumerate<Self>
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Yields an index along with each item. Read more
fn skip(self, n: usize) -> Skip<Self>
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Creates an iterator that skips the first n
elements. Read more
fn take(self, n: usize) -> Take<Self>
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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,
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P: Fn(Self::Item) -> bool + Sync + Send,
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,
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P: Fn(Self::Item) -> bool + Sync + Send,
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,
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P: Fn(Self::Item) -> bool + Sync + Send,
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>
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Produces a new iterator with the elements of this iterator in reverse order. Read more
fn with_min_len(self, min: usize) -> MinLen<Self>
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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>
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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<T: Clone + Send> Clone for IntoIter<T>
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fn clone(&self) -> IntoIter<T>
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fn clone_from(&mut self, source: &Self)
1.0.0[src]
Performs copy-assignment from source
. Read more
impl<T: Debug + Send> Debug for IntoIter<T>
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Auto Trait Implementations
impl<T> Unpin for IntoIter<T> where
T: Unpin,
T: Unpin,
impl<T> Sync for IntoIter<T> where
T: Sync,
T: Sync,
impl<T> Send for IntoIter<T>
impl<T> UnwindSafe for IntoIter<T> where
T: UnwindSafe,
T: UnwindSafe,
impl<T> RefUnwindSafe for IntoIter<T> where
T: RefUnwindSafe,
T: RefUnwindSafe,
Blanket Implementations
impl<T> IntoParallelIterator for T where
T: ParallelIterator,
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T: ParallelIterator,
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.
fn into_par_iter(Self) -> T
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impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,