<?php

class CollectionMonad extends Monad {
	public function __construct(array $value) {
		$this->value = $value;
	}
	public function bind($callback) {
		$newValues = array();
		foreach ($this->value as $value) {
			$newValues[] = $this->callCallback($callback, $value);
		}
		return new CollectionMonad($newValues);
	}
}