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  1. #include <vector>
  2. #include <typeinfo>
  3. #include <random>
  4. #include <chrono>
  5. #include <iostream>
  6.  
  7. int give_me_anumber() {
  8.   static std::default_random_engine rnd_engine(
  9.       std::chrono::system_clock::now().time_since_epoch().count());
  10.   std::uniform_int_distribution<> rnd_value(0, 1);
  11.   return rnd_value(rnd_engine);
  12. }
  13.  
  14. template<typename A, typename B>
  15. void foo(const std::vector<A>& va,
  16.          const std::vector<B>& vb) {
  17.   std::cout << "-----The end of recursion-----\n"
  18.       "Type VectorA: " << typeid(A).name() << "\n"
  19.       "Type VectorB: " << typeid(B).name() << "\n"
  20.       "----------------------------------------\n";
  21. }
  22.  
  23. template<typename... Args>
  24. void foo(std::string str, Args... args) {
  25.   int number = give_me_anumber();
  26.   if (number == 0) {
  27.     std::vector<int> vector;
  28.     foo(args..., vector);
  29.   } else if (number == 1) {
  30.     std::vector<double> vector;
  31.     foo(args..., vector);
  32.   }
  33. }
  34.  
  35. int main(int argc, char *argv[]) {
  36.   foo("file1", "file2");
  37.   return 0;
  38. }
Success #stdin #stdout 0s 3472KB
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stdin
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Standard input is empty
stdout
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-----The end of recursion-----
Type VectorA: i
Type VectorB: i
----------------------------------------
https://ideone.com/pfz9Yg
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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