/**
* {@inheritDoc}
*/
public function flatMapBy($mapper)
{
Contracts::ensureCallable($mapper);
// Grecefully handle not Option return value.
if (!($option = call_user_func($mapper, $this->data)) instanceof Option) {
$option = Option::from($option);
}
return $option;
}
/**
* @param object|string $value Object or class name.
* @param string $methodName
*
* @return \Colada\Option
*/
private static function getMethodFrom($value, $methodName)
{
if (is_object($value) && !$value instanceof \ReflectionClass) {
$class = new \ReflectionObject($value);
} elseif (is_string($value)) {
$class = new \ReflectionClass($value);
}
$method = null;
if ($class->hasMethod($methodName)) {
$method = $class->getMethod($methodName);
}
return Option::from($method);
}
/**
* Converts this result to an option
*
* If this is a success, it returns an Option::just
* If this is an error, it returns Option::none
*/
public function toOption()
{
return Option::from($this->value);
}
