Function for

tests/TestGenericType.cpp:1993–1994

auto operator^=(Tuple<@T, @U> ref a, b){ a.x ^= b.x; a.y ^= b.y; return a; }\r\n\
\r\n\
Tuple<int, int>[11] res;\r\n\
for(i in res){ i = Tuple<int, int>(12, 37); } // 1100, 100101\r\n\
res[0] += Tuple<int, int>(5, 17); assert(res[0] == Tuple<int, int>(17, 54));\r\n\
res[1] -= Tuple<int, int>(5, 17); assert(res[1] == Tuple<int, int>(7, 20));\r\n\
res[2] *= Tuple<int, int>(5, 17); assert(res[2] == Tuple<int, int>(60, 17*37));\r\n\