Method FormatList

inst/include/Rcpp/utils/tinyformat/tinyformat.h:855–856

{
    public:
        FormatList(detail::FormatArg* formatters, int N)
            : m_formatters(formatters), m_N(N) { }

        friend void vformat(std::ostream& out, const char* fmt,
                            const FormatList& list);