Shrikeh\Collection\RequiresOuterIteratorTrait

Complexity

Total Complexity

2

Size/Duplication

Total Lines	16
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Importance

Changes	1
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
A	testOuterIterator()	0	13	2

<?php

namespace Shrikeh\Collection;

use OuterIterator;
use Shrikeh\Collection\Exception\IncorrectInterface;

trait RequiresOuterIteratorTrait
{
    private static function testOuterIterator($class)
    {
        if (!$class instanceof OuterIterator) {
            $msg = 'class %s uses trait %s but it is not an %s';
            throw new IncorrectInterface(
                sprintf($msg,
                    __CLASS__,
                    __TRAIT__,
                    'OuterIterator'
                )
            );
        }
    }
}