/**
* Construct an instance of a Flick.
*
* @param array|ArrayAccess|Traversable $functions
* @param string $default
*
* @throws InvalidArgumentException
* @throws LackOfCoffeeException
*/
public function __construct($functions, $default = 'default')
{
parent::__construct();
Arguments::define(Boa::lst(), Boa::either(Boa::string(), Boa::integer()))->check($functions, $default);
$this->functions = $functions;
$this->default = $default;
}
/**
* Wrap provided value inside a List.
*
* @param array|ArrayObject|ListInterface $input
*
* @return ArrayList
* @throws InvalidArgumentException
*/
public static function toList($input)
{
Arguments::define(Boa::lst())->check($input);
if ($input instanceof ListInterface) {
return $input;
}
return ArrayList::of($input);
}
/**
* Concatenate the two provided values.
*
* @param string|array|Traversable $one
* @param string|array|Traversable $other
*
* @throws MismatchedArgumentTypesException
* @throws InvalidArgumentException
* @return mixed
*/
public static function concat($one, $other)
{
Arguments::define(Boa::either(Boa::lst(), Boa::string()), Boa::either(Boa::lst(), Boa::string()))->check($one, $other);
$oneType = TypeHound::fetch($one);
$twoType = TypeHound::fetch($other);
if ($oneType !== $twoType) {
throw new MismatchedArgumentTypesException(__FUNCTION__, $one, $other);
}
if ($oneType === ScalarTypes::SCALAR_STRING) {
return $one . $other;
}
return ArrayMap::of($one)->append(ArrayMap::of($other))->toArray();
}
