function DoubleEndedQueue::firstElement

Return value

T the head of this queue.

Throws

NoSuchElementException if this queue is empty.

Overrides DoubleEndedQueueInterface::firstElement

File

vendor/ramsey/collection/src/DoubleEndedQueue.php, line 128

Class

DoubleEndedQueue

This class provides a basic implementation of `DoubleEndedQueueInterface`, to minimize the effort required to implement this interface.

Namespace

Ramsey\Collection

Code

public function firstElement() : mixed {
    return $this->element();
}