#include <vector>
#include "local.hpp"
#define VERSION 2
using namespace std;
using std::vector;
using Alias = int;
namespace app {
/** A widget. */
template <typename T>
class Widget {
public:
T value;
/** Resets the widget. */
void reset() { value = T(); }
};
}
/** Computes the sum. */
template <typename T>
T sum(T a, T b) {
return a + b;
}