Zicht\Itertools\lib\Traits\AccumulateTrait

Complexity

Total Complexity

3

Size/Duplication

Total Lines	30
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	accumulate()	0	11	3

<?php
/**
 * @copyright Zicht Online <http://zicht.nl>
 */

namespace Zicht\Itertools\lib\Traits;

use Zicht\Itertools\reductions;
use Zicht\Itertools\lib\AccumulateIterator;

trait AccumulateTrait
{
    /**
     * Returns an iterator that containing accumulated elements
     *
     * If the optional $closure argument is supplied, it should be a string:
     * add, sub, mul, min, or max.  Or it can be a Closure taking two
     * arguments that will be used to instead of addition.
     *
     * > iter\iterable([1,2,3,4,5])->accumulate()
     * 1 3 6 10 15
     *
     * > iter\iterable(['One', 'Two', 'Three'])->accumulate(function ($a, $b) { return $a . $b; })
     * 'One' 'OneTwo' 'OneTwoThree'
     *
     * @param string|\Closure $closure
     * @return null|AccumulateIterator
     */
    public function accumulate($closure = 'add')
    {
        if ($this instanceof \Iterator) {
            return new AccumulateIterator(
                $this,
                $closure instanceof \Closure ? $closure : reductions\get_reduction($closure)

The function Zicht\Itertools\reductions\get_reduction() has been deprecated with message: please use the reduction functions directly, will be removed in version 3.0

            );
        }

        return null;
    }
}