#include using namespace metal; struct S { half3 v; }; void f() { thread S tint_symbol = {}; tint_symbol.v = half3(1.0h, 2.0h, 3.0h); tint_symbol.v[0] = 1.0h; tint_symbol.v[1] = 2.0h; tint_symbol.v[2] = 3.0h; }