#include <metal_stdlib>

using namespace metal;
uint leaf() {
  return 0u;
}

uint branch() {
  uint const leaf_result = leaf();
  return leaf_result;
}

void root() {
  uint const branch_result = branch();
  return;
}

void x_100_1() {
  return;
}

fragment void x_100() {
  x_100_1();
  return;
}

