Base class initialization with variadic templates

variadic-base.cpp

#include <iostream>                                             
                                                                
struct B1 {                                                     
    B1(int) {}                                                  
    int Get() const { return 1; }                               
};                                                              
struct B2 {                                                     
    B2(int) {}                                                  
    int Get() const { return 2; }                               
};                                                              
                                                                
template < typename...BasesT >                                  
struct C : BasesT... {                                          
  C(const BasesT&...args) : BasesT(args)... {}                  
  template < typename B >                                       
  int Get() const { return B::Get(); }                          
};                                                              
                                                                
int main(int, char**) {                                         
    C<B1, B2> c = {                                             
                    {1},.                                       
                    {2}                                         
                  };                                            
    std::cout << c.Get<B1>() << ' ' << c.Get<B2>() << std::endl;
    return 0;                                                   
}