get_err_rdbuf.hpp

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#pragma once
#include <iostream>
 
template<class char_t>
inline std::basic_streambuf<char_t>* __get_err_rdbuf() {return nullptr;}
 
template<>
inline std::basic_streambuf<char>* __get_err_rdbuf<char>() {
  static std::basic_streambuf<char>* rdbuf = std::cerr.rdbuf();
  return rdbuf;
}
 
template<>
inline std::basic_streambuf<wchar_t>* __get_err_rdbuf<wchar_t>() {
  static std::basic_streambuf<wchar_t>* rdbuf = std::wcerr.rdbuf();
  return rdbuf;
}