Pinq\Iterators\Common\OrderedMap::map PHP Method

    public function map(callable $function)
    {
        $function = Functions::allowExcessiveArguments($function);
        $clone = clone $this;
        foreach ($clone->keyIdentityPositionMap as $position) {
            $keyCopy = $this->keys[$position];
            $valueCopy = $this->values[$position];
            $clone->values[$position] = $function($valueCopy, $keyCopy);
        }
        return $clone;
    }