Function operator<<

example/reflect.cc:10–16

auto operator<<(std::ostream& out, wasm::Mutability mut) -> std::ostream& {
  switch (mut) {
    case wasm::Mutability::VAR: return out << "var";
    case wasm::Mutability::CONST: return out << "const";
  }
  return out;
}

auto operator<<(std::ostream& out, wasm::Limits limits) -> std::ostream& {
  out << limits.min;