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  1. #include <iostream>
  2. #include <sstream>
  3.  
  4.  
  5. class Logger {
  6.     std::stringstream ss;
  7. public:
  8.     ~Logger() {
  9.       std::cout<< ss.str();
  10.     }
  11.  
  12.     // General for all types supported by stringstream
  13.     template<typename T>
  14.     Logger& operator<<(const T& arg) {
  15.        ss << arg;
  16.        return *this;
  17.     }
  18.  
  19.     // You can override for specific types
  20.     Logger& operator<<(bool b) {  
  21.        ss << (b? "Yep" : "Nope");
  22.        return *this;
  23.     }
  24. };
  25.  
  26.  
  27. int main() {
  28.     Logger() << "Is the answer " << 42 << "? " << true;
  29. 	return 0;
  30. }
Success #stdin #stdout 0s 3460KB
comments ()
stdin
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Standard input is empty
stdout
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Is the answer 42? Yep
https://ideone.com/cBU2dZ
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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