/**
* @deprecated
* @see \nspl\a\filter
*
* Returns sequence items that satisfy the predicate
*
* @param callable $predicate
* @param array|\Traversable $sequence
* @return array
*/
function filter(callable $predicate, $sequence)
{
args\expects(args\traversable, $sequence);
$sequence = a\traversableToArray($sequence);
$filtered = array_filter($sequence, $predicate);
return a\isList($sequence) ? array_values($filtered) : $filtered;
}
public function testTraversableToArray()
{
$this->assertEquals([1, 2, 3], traversableToArray([1, 2, 3]));
$this->assertEquals([1, 2, 3], traversableToArray(new \nspl\ds\ArrayObject(1, 2, 3)));
$this->assertEquals([1, 2, 3], traversableToArray(new \ArrayObject([1, 2, 3])));
$range = function ($min, $max) {
for ($i = $min; $i <= $max; ++$i) {
(yield $i);
}
};
$this->assertEquals([1, 2, 3], traversableToArray($range(1, 3)));
}