Advances the iterator and returns the next value.Read more

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

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

Consumes the iterator, returning the last element.Read more

Returns thenth element of the iterator.Read more

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

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

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

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

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

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

Creates an iterator that both filters and maps.Read more

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

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

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

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

Creates an iterator that skips the firstn elements.Read more

Creates an iterator that yields its firstn elements.Read more

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

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

Creates an iterator that flattens nested structure.Read more

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

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

Borrows an iterator, rather than consuming it.Read more

Transforms an iterator into a collection.Read more

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

Reorders the elements of this iterator in-place according to the given predicate, such that all those that returntrue precede all those that returnfalse. Returns the number oftrue elements found.Read more

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

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

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

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

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

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

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

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

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

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

Returns the maximum element of an iterator.Read more

Returns the minimum element of an iterator.Read more

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

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

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

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

Reverses an iterator's direction.Read more

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

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

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

Repeats an iterator endlessly.Read more

Sums the elements of an iterator.Read more

Iterates over the entire iterator, multiplying all the elementsRead more

Lexicographically compares the elements of thisIterator with those of another.Read more

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

Lexicographically compares the elements of thisIterator with those of another.Read more

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

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

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

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

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

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

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

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

Checks if the elements of this iterator are sorted.Read more

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

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

Gets theTypeId ofself.Read more

Immutably borrows from an owned value.Read more

Mutably borrows from an owned value.Read more

Performs the conversion.

Performs the conversion.

Creates an iterator from a value.Read more

Choose one element at random from the iterator.Read more

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

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

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

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

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

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

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

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

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

Return an iterable that can chunk the iterator.Read more

Return an iterator over all contiguous windows producing tuples of a specific size (up to 4).Read more

Return an iterator that groups the items in tuples of a specific size (up to 4).Read more

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

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

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

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

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

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

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

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

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

Return an iterator adaptor that iterates over the cartesian product of the element sets of two iteratorsself andJ.Read more

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

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

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

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

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

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

Return an iterator adaptor that borrows from this iterator and takes items while the closureaccept returnstrue.Read more

Return an iterator adaptor that borrows from aClone-able iterator to only pick off elements while the predicateaccept returnstrue.Read more

Return an iterator adaptor that filtersOption<A> iterator elements and producesA. Stops on the firstNone encountered.Read more

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

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

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

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

Return an iterator adaptor that pads the sequence to a minimum length ofmin by filling missing elements using a closuref.Read more

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

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

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

Advances the iterator and returns the next items grouped in a tuple of a specific size (up to 4).Read more

Collects all items from the iterator into a tuple of a specific size (up to 4).Read more

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

Check whether all elements compare equal.Read more

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

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

Run the closuref eagerly on each element of the iterator.Read more

Combine all an iterator's elements into one element by usingExtend.Read more

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

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

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

Format all iterator elements, separated bysep.Read more

Format all iterator elements, separated bysep.Read more

FoldResult values from an iterator.Read more

FoldOption values from an iterator.Read more

Accumulator of the elements in the iterator.Read more

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

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

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

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

Sort all iterator elements into a new iterator in ascending order.Read more

Sort all iterator elements into a new iterator in ascending order.Read more

Sort all iterator elements into a new iterator in ascending order.Read more

Collect all iterator elements into one of two partitions. UnlikeIterator::partition, each partition may have a distinct type.Read more

Return aHashMap of keys mapped toVecs of values. Keys and values are taken from(Key, Value) tuple pairs yielded by the input iterator.Read more

Return the minimum and maximum elements in the iterator.Read more

Return the minimum and maximum element of an iterator, as determined by the specified function.Read more

Return the minimum and maximum element of an iterator, as determined by the specified comparison function.Read more

If the iterator yields exactly one element, that element will be returned, otherwise an error will be returned containing an iterator that has the same output as the input iterator.Read more

Performs the conversion.

Performs the conversion.