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  1.     namespace detail
  2.     {
  3.         template<typename... Ts>
  4.         struct do_foo;
  5.  
  6.         template<typename T, typename... Ts>
  7.         struct do_foo<T, Ts...>
  8.         {
  9.             static void call()
  10.             {
  11.                 T::foo();
  12.                 do_foo<Ts...>::call();
  13.             }
  14.         };
  15.  
  16.         template<typename T>
  17.         struct do_foo<T>
  18.         {
  19.             static void call()
  20.             {
  21.                 T::foo();
  22.             }
  23.         };
  24.     }
  25.  
  26.     template<typename... Ts>
  27.     void do_foo()
  28.     {
  29.         detail::do_foo<Ts...>::call();
  30.     }
  31.  
  32.     #include <iostream>
  33.  
  34.     struct X { static void foo() { std::cout << "X::foo()" << std::endl; }; };
  35.     struct Y { static void foo() { std::cout << "Y::foo()" << std::endl; }; };
  36.     struct Z { static void foo() { std::cout << "Z::foo()" << std::endl; }; };
  37.  
  38.     int main()
  39.     {
  40.         do_foo<X, Y, Z>();
  41.     }
  42.  
Success #stdin #stdout 0s 2896KB
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stdin
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Standard input is empty
stdout
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X::foo()
Y::foo()
Z::foo()
https://ideone.com/zBBuTf
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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