src/IteratorPipeline/Traits/SortingTrait.php
public function sort($compare, bool $preserveKeys = true)
    {
        return $this->then(i\iterable_sort, $compare, $preserveKeys);
    }
public function sort($compare, bool $preserveKeys = true)
    {
        return $this->then(i\iterable_sort, $compare, $preserveKeys);
    }
Sort all elements of an iterator.

@param callable|int $compare       SORT_* flags as binary set or callback comparator function
@param bool         $preserveKeys
@return static