Format the specified args using bsl::vformat_to according to the specification given by the specified fmt, and write the result of this operation to stdout. In the event of formatting error throw the exception format_error, in the event of I/O error throw the exception system_error, on allocation failure throw bad_alloc.
Declared in <bslfmt_print_imp.h>
void
vprint_unicode(
std::string_view fmt,
std::format_args args);