可变模版参数

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c++11 可变模版参数

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template <class... T>
void f(T... args);
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    #include <iostream>

    template <class... T>
    void f(T... args)
    {    
      std::cout << sizeof...(args) << std::endl;
    }

    void func() {}
    template <class T, class... Args>
    void func(T first, Args... remain) {
      std::cout << first << " ";
      if (sizeof...(remain) == 0) return;
      func(remain...);
    }

    int main() {
      func(2, 3, 9);
      return 0;
    }
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