__hexfloat_formatter.hpp

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#pragma once
#if !defined(__XTD_CORE_INTERNAL__)
#error "Do not include this file: Internal use only"
#endif
 
#include <iomanip>
#include <locale>
#include <string>
#include <sstream>

template<class char_t>
[[nodiscard]] inline auto __hexfloat_formatter(long double value, int precision, const std::locale& loc) -> std::basic_string<char_t> {
  std::basic_stringstream<char_t> ss;
  ss.imbue(loc);
  ss << std::hexfloat << std::setprecision(precision) << value;
  return ss.str();
}