Method WrapFunction

runtime/function_adapter.h:622–624

      absl::AnyInvocable<T(U, V, W, X, const Function::InvokeContext&) const>;

  static std::unique_ptr<cel::Function> WrapFunction(FunctionType fn) {
    return std::make_unique<QuaternaryFunctionImpl>(std::move(fn));
  }

  template <typename F>
  static std::enable_if_t<