Create a basic_format_args object which contains the arguments held by the specified store. Typically this constructor would be called using the return value of make_format_args or of make_wformat_args.
Declared in <bslfmt_format_args.h>
template<class... t_ARGS>
basic_format_args(Format_ArgsStore<t_CONTEXT, t_ARGS...> const& store) noexcept;