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  1. #include <iostream>
  2. #include <locale>
  3.  
  4. class MyFacet : public std::ctype<char>
  5. {
  6. protected:
  7.    char_type do_widen (char c) const {
  8.       return 'X' ;
  9.    }
  10. } ;
  11.  
  12.  
  13. int main() {
  14.    std::cout.imbue ( std::locale ( std::cout.getloc() , new MyFacet ) ) ;
  15.    std::cout << std::cout.widen('\n') ;
  16.    std::cout << std::cout.widen('\n') ;   
  17.    std::cout << '\n' ;
  18.    std::cout.flush();
  19. }
Success #stdin #stdout 0s 3432KB
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stdin
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Standard input is empty
stdout
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X
https://ideone.com/T3f5gS
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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