#include <metal_stdlib>
using namespace metal;
template<typename T, size_t N>
struct tint_array {
  const constant T& operator[](size_t i) const constant { return elements[i]; }
  device T& operator[](size_t i) device { return elements[i]; }
  const device T& operator[](size_t i) const device { return elements[i]; }
  thread T& operator[](size_t i) thread { return elements[i]; }
  const thread T& operator[](size_t i) const thread { return elements[i]; }
  threadgroup T& operator[](size_t i) threadgroup { return elements[i]; }
  const threadgroup T& operator[](size_t i) const threadgroup { return elements[i]; }
  T elements[N];
};

struct S {
  float a;
};

bool ret_bool() {
  return false;
}
int ret_i32() {
  return 0;
}
uint ret_u32() {
  return 0u;
}
float ret_f32() {
  return 0.0f;
}
int2 ret_v2i32() {
  return int2(0);
}
uint3 ret_v3u32() {
  return uint3(0u);
}
float4 ret_v4f32() {
  return float4(0.0f);
}
float2x3 ret_m2x3() {
  return float2x3(float3(0.0f), float3(0.0f));
}
tint_array<float, 4> ret_arr() {
  return tint_array<float, 4>{};
}
S ret_struct() {
  return S{};
}
kernel void tint_symbol() {
}