Function vformat

extlibs/fmt/include/fmt/core.h:1718–1722

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

/**
  \rst