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  1. #include <iostream>
  2.  
  3. template<typename T>
  4. void print_double(T x)
  5. {
  6. 	std::cout << x * 2 << std::endl;
  7. }
  8.  
  9. void print_double(const std::string &) = delete;
  10.  
  11. int main()
  12. {
  13. 	print_double(2);
  14. 	print_double(3.14);
  15. 	print_double("Hello");
  16. }
  17.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp: In instantiation of ‘void print_double(T) [with T = const char*]’:
prog.cpp:15:22:   required from here
prog.cpp:6:17: error: invalid operands of types ‘const char*’ and ‘int’ to binary ‘operator*’
  std::cout << x * 2 << std::endl;
               ~~^~~
stdout 
Standard output is empty
https://ideone.com/2v45c2
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
secret

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