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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template<class T = int>
  5. class MyClass {
  6. public:
  7.     void f() { cout << "D\n"; }
  8. };
  9.  
  10. template<>
  11. class MyClass<int> {
  12. public:
  13.     void f() { cout << "S1\n"; }
  14. };
  15.  
  16. template<>
  17. class MyClass<double> {
  18. public:
  19.     void f() { cout << "S2\n"; }
  20. };
  21.  
  22.  
  23. int main() {
  24.     MyClass<double> a; // 1
  25.     a.f();                 //S2
  26.  
  27.     MyClass<> b; // 2
  28.     b.f();                 //S1
  29.  
  30.     MyClass<int> c; // 3
  31.     c.f();                 //S1
  32.  
  33.     return 0;
  34. }
  35.  
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
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Standard input is empty
stdout
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S2
S1
S1
https://ideone.com/jj6xtH
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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