#include using namespace metal; struct tint_symbol { float4 value [[color(0)]]; }; float4 frag_main_inner() { float b = 0.0f; float3 v = float3(b); return float4(v, 1.0f); } fragment tint_symbol frag_main() { float4 const inner_result = frag_main_inner(); tint_symbol wrapper_result = {}; wrapper_result.value = inner_result; return wrapper_result; }