function _reduceRight($list, $iterator, $memo, $context = NULL)
{
return Underscore::reduceRight($list, $iterator, $memo, $context);
}
/**
* @tags collections
*/
public function testReduceRight()
{
// it should provide the memo, the value, the index and the list to the reduction function (in that order)
$test = $this;
_::reduceRight(['a' => 1, 'b' => 2, 'c' => 3], function ($m, $v, $k, $l) use($test) {
$test->integer($v);
$test->string($k);
$test->array($l);
$test->boolean(is_null($m))->isTrue();
return $m;
}, null);
$this->typeTolerant([[1, 2], [3, 4], [5, 6]], [5, 6, 3, 4, 1, 2], function ($in, $out) {
$this->variable(_::reduceRight($in, function ($m, $v) {
return array_merge($m, $v);
}, []))->isEqualTo($out);
}, [0, -1]);
// it should be possible to specify a context for reduction function
$this->variable(_::reduceRight([[1, 2], [3, 4], [5, 6]], function ($m, $v) {
$v[0] *= $this->mult;
$v[1] *= $this->mult;
return array_merge($m, $v);
}, [], (object) ['mult' => 2]))->isEqualTo([10, 12, 6, 8, 2, 4]);
}
