/**
* @param $value
* @param null $reject
* @return Option
*/
public static function wrap($value, $reject = null)
{
if ($value === $reject) {
return None::instance();
}
return new Some($value);
}
function filter($callable)
{
if (is_callable($callable)) {
return $callable($this->get()) ? $this : None::instance();
} elseif (is_array($callable)) {
return in_array($this->get(), $callable) ? $this : None::instance();
}
throw new \InvalidArgumentException("Expected only callable or array type of argument.");
}
/**
* @return Option
*/
public static function None()
{
return None::instance();
}
public function selectInstance($object)
{
return $this->get() instanceof $object ? $this : None::instance();
}
/**
* @param $filePath
* @return Option
*/
public static function ofFile($filePath)
{
return file_exists($filePath) ? new Some($filePath) : None::instance();
}
/**
* @param $method
* @param $args
* @return $this
*/
public function call($method, ...$args)
{
return is_object($this->get()) && method_exists($this->get(), $method) ? Option::Some($this->get()->{$method}(...$args)) : None::instance();
}
