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  1.  
  2. // Compile with:
  3. //  clang++ -std=c++11 -stdlib=libc++ Section.cpp -o Section
  4.  
  5. #include <iostream>
  6.  
  7. using namespace std;
  8.  
  9. enum class MF : int {
  10.     ZERO = 0,
  11.     ONE = 1,
  12.     TWO = 2
  13. };
  14.  
  15. // --------- Specialization -------------
  16. template <MF mf>
  17. class Stat{
  18. public:
  19.     Stat(std::string msg) {
  20.         cout << "Generic Stat construtor: " << msg << endl;
  21.     }
  22. };
  23.  
  24. // --------- Template Specialization -------------
  25. template<>
  26. class Stat<MF::ONE>{
  27. public:
  28.     Stat(std::string msg) {
  29.         cout << "Specialized Stat constructor: " << msg << endl;
  30.     }
  31. };
  32.  
  33. // --------- Variadic Template -------------
  34. template<MF mf, typename... E>
  35. class Var{
  36. public:
  37.     Var(std::string msg){
  38.         cout << "Generic Var constructor: " << msg << endl;
  39.     }
  40.  
  41. };
  42.  
  43. // --------- Variadic Template Specialization -------------
  44. template<>
  45. class Var<MF::TWO, MF>{
  46. public:
  47.     Var(std::string msg){
  48.         cout << "Specialized Var constructor: " << msg << endl;
  49.     }
  50. };
  51.  
  52. int main(){
  53.     cout << "I'm still trying to figure out variadic templates." << endl;
  54.  
  55.  
  56.     Stat<MF::ZERO> S_MF0("MF=0");
  57.     Stat<MF::ONE> S_MF1("MF=1");
  58.  
  59.     Var<MF::ZERO> MF0("MF=0");
  60.     Var<MF::ZERO, int> MF0_int("MF=0,E=int");
  61.     Var<MF::ZERO, MF> MF0_MF1("MF=0,MF");
  62.  
  63.  
  64.     return 0;
  65. }
  66.  
Success #stdin #stdout 0s 3428KB
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I'm still trying to figure out variadic templates.
Generic Stat construtor: MF=0
Specialized Stat constructor: MF=1
Generic Var constructor: MF=0
Generic Var constructor: MF=0,E=int
Generic Var constructor: MF=0,MF
https://ideone.com/tKaagi
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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