Format the specified args according to the specification given by the specified fmtStr and return the result as a bsl::string. In the event of an error the exception format_error is thrown.
Declared in <bslfmt_format_imp.h>
template<class... t_ARGS>
bsl::string
format(
bslfmt::format_string<t_ARGS...> fmtStr,
t_ARGS const&... args);