Function vprint

extlibs/fmt/include/fmt/format.h:3491–3498

template <typename Char, FMT_ENABLE_IF(std::is_same<Char, wchar_t>::value)>
void vprint(std::FILE* f, basic_string_view<Char> format_str,
            wformat_args args) {
  wmemory_buffer buffer;
  internal::vformat_to(buffer, format_str, args);
  buffer.push_back(L'\0');
  if (std::fputws(buffer.data(), f) == -1)
    FMT_THROW(system_error(errno, "cannot write to file"));
}

template <typename Char, FMT_ENABLE_IF(std::is_same<Char, wchar_t>::value)>
void vprint(basic_string_view<Char> format_str, wformat_args args) {