public function getIterator()
{
$func = $this->func;
foreach ($this->inner as $current) {
$accept = Helper\LinqHelper::getBoolOrThrowException($func($current));
if ($accept) {
(yield $current);
}
}
}
/**
* Determines whether any element exists or satisfies a condition by invoking $func.
*
* @param callable $func A function to test each element for a condition or NULL to determine if any element exists.
* @return bool True if no $func given and the source sequence contains any elements or True if any elements passed the test in the specified func; otherwise, false.
*/
public function any(callable $func = null)
{
foreach ($this->iterator as $current) {
if ($func === null) {
return true;
}
$match = LinqHelper::getBoolOrThrowException($func($current));
if ($match) {
return true;
}
}
return false;
}
public function accept()
{
$func = $this->func;
$current = $this->current();
return Helper\LinqHelper::getBoolOrThrowException($func($current));
}
