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  1. #include <iostream>
  2.  
  3. struct X {
  4.   ~X() { std::cout << std::endl; }
  5. };
  6.  
  7. #define DBG (X(), std::cout << __FILE__ << " " << __LINE__ << " ")
  8.  
  9. int main () {
  10.   std::string world(", world");
  11.   DBG << "Hello" << world;
  12. }
Success #stdin #stdout 0.01s 2812KB
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stdin
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Standard input is empty
stdout
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prog.cpp 11 Hello, world
https://ideone.com/iZdwz
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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