#include <result.h>

enum ErrorX { one, two = 5, three, NoError };

// operator bool
static_assert(!(Result<int, ErrorX>{ErrorX::one}));
static_assert(!(Result<int, ErrorX>{ErrorX::two}));
static_assert((Result<int, ErrorX>{5}));

// error
static_assert((Result<int, ErrorX>{ErrorX::one}).error() == ErrorX::one);
static_assert((Result<int, ErrorX>{5}).error() == ErrorX::NoError);

// value
static_assert((Result<int, ErrorX>{ErrorX::one}).value() == int{});
static_assert((Result<int, ErrorX>{5}).value() == 5);