public function __construct($_ = 0.0)
{
if (is_double($_) != true) {
throw new \Exception();
}
parent::__construct($_);
}
public function __construct($_ = false)
{
if (is_bool($_) != true) {
throw new \Exception();
}
parent::__construct($_);
}
public function __construct($_ = null)
{
if (is_null($_)) {
$_ = 0;
}
if (is_string($_) != true) {
throw new \Exception();
}
parent::__construct($_);
}
public function __construct()
{
parent::__construct(null);
}
