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  1. #include <iostream>
  2.  
  3. //function1
  4. template<typename T1, typename T2>
  5. T1 call(T2 value)
  6. {
  7.     //function with return type
  8.     std::cout << "function1\n";
  9.     return T1();
  10. }
  11.  
  12. //function2
  13. template<typename T1, typename T2>
  14. void call<void,T2>()
  15. {
  16.     //function without return type  
  17.     std::cout << "function2\n";
  18. }
  19.  
  20. int main() {
  21.     call<int>(19);  //call function1
  22.     call<void>(20); //call function2 
  23. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp:14:20: error: function template partial specialization ‘call<void, T2>’ is not allowed
 void call<void,T2>()
                    ^
stdout
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Standard output is empty
https://ideone.com/7IYfPp
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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