bool is(mask m, charT c) const;
const charT* is(const charT* low, const charT* high, mask* vec) const;
Returns:
do_is(m, c) or
do_is(low, high, vec). const charT* scan_is(mask m, const charT* low, const charT* high) const;
Returns:
do_scan_is(m, low, high). const charT* scan_not(mask m, const charT* low, const charT* high) const;
Returns:
do_scan_not(m, low, high). charT toupper(charT c) const;
const charT* toupper(charT* low, const charT* high) const;
Returns:
do_toupper(c) or
do_toupper(low, high). charT tolower(charT c) const;
const charT* tolower(charT* low, const charT* high) const;
Returns:
do_tolower(c) or
do_tolower(low, high). charT widen(char c) const;
const char* widen(const char* low, const char* high, charT* to) const;
Returns:
do_widen(c) or
do_widen(low, high, to). char narrow(charT c, char dfault) const;
const charT* narrow(const charT* low, const charT* high, char dfault, char* to) const;
Returns:
do_narrow(c, dfault) or
do_narrow(low, high, dfault, to).