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  1. #include <iostream>
  2. #include <string>
  3.  
  4.  
  5. void Graph_toFile(std::string filename)
  6. {
  7. 	filename += "_new.txt";
  8. 	std::cout << "opening " << filename << "\n";
  9. }
  10.  
  11. int main() {
  12. 	Graph_toFile("hello_world");
  13.  
  14. 	return 0;
  15. }
Success #stdin #stdout 0s 3412KB
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stdin
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Standard input is empty
stdout
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opening hello_world_new.txt
https://ideone.com/eAnfZQ
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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