#include <iostream>
#include <initializer_list>
 
// The actual function
template <class... TClasses>
void allocateAll() {
    std::initializer_list<int>{(TClasses::allocate(), void(), 0)...};
}
 
struct C1 { static void allocate() { std::cout << "allocated C1\n"; } };
struct C2 { static void allocate() { std::cout << "allocated C2\n"; } };
struct C3 { static void allocate() { std::cout << "allocated C3\n"; } };
 
int main()
{
    allocateAll<C1, C2, C3>();
    return 0;
}
 

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