1#define EMP1(a) 2#define EMP2(a, b) 3 4#define EXP1(a) = a 5#define EXP2(a, b) = a, b 6 7struct A 8{ 9 float4 a EMP1({1,2,3,4}); // No PP arg errors 10 float4 b EMP2({({{(({1,2,3,4}))}})}, {{1,2,3,4}}); // No PP arg errors 11 float4 c EXP1({1,2,3,4}); // ERROR: No PP arg errors, but init error 12 float4 d EXP2({({{(({1,2,3,4}))}})}, {{1,2,3,4}}); // ERROR: No PP arg errors, but init error 13}; 14 15void main() 16{ 17 "a string" 18} 19