text: ﻿#include<fast_io.h>
  #include<fast_io_device.h>
  #include<fast_io_i18n.h>
  #include<fast_io_driver/timer.h>
  
  int main()
  {
  	constexpr std::size_t N(10000000);
  	fast_io::native_l10n loc("");
  	constexpr fast_io::unsafe_rt_format_string_view view("{}\n",3);
  	{
  	fast_io::timer t(u8"output");
  	fast_io::obuf_file obf("iobuf_file_unsafe_rt_fprint_l10n.txt");
  	for(std::size_t i{};i!=N;++i)
  		unsafe_rt_fprint(imbue(loc,obf),view,i);
  	}
  }
  