1struct Varyings { 2 float2 position; 3}; 4 5struct NotAttributes { 6 float2 position; 7}; 8 9Varyings main(const NotAttributes attr) { 10 return Varyings(attr.position); 11} 12 13/*%%* 14'main' parameter must be 'const Attributes' 15*%%*/ 16