Method operator()

src/Ext/Script/Body.cpp:853–853

	struct operation_leftshift { int operator()(const int& a, const int& b) { return a << b; } };
	struct operation_rightshift { int operator()(const int& a, const int& b) { return a >> b; } };
	struct operation_reverse { int operator()(const int& a, const int& b) { return ~a; } };
	struct operation_xor { int operator()(const int& a, const int& b) { return a ^ b; } };
	struct operation_or { int operator()(const int& a, const int& b) { return a | b; } };
	struct operation_and { int operator()(const int& a, const int& b) { return a & b; } };