Function vformat

extlibs/fmt/include/fmt/color.h:539–545

template <typename S, typename Char = char_t<S>>
inline std::basic_string<Char> vformat(
    const text_style& ts, const S& format_str,
    basic_format_args<buffer_context<type_identity_t<Char>>> args) {
  basic_memory_buffer<Char> buf;
  internal::vformat_to(buf, ts, to_string_view(format_str), args);
  return fmt::to_string(buf);
}

/**
  \rst