25 Localization library [localization]

25.4 Standard locale categories [locale.categories]

25.4.4 The collate category [category.collate]

25.4.4.1 Class template collate [locale.collate]

25.4.4.1.1 collate members [locale.collate.members]

int compare(const charT* low1, const charT* high1, const charT* low2, const charT* high2) const;
Returns: do_­compare(low1, high1, low2, high2).
string_type transform(const charT* low, const charT* high) const;
Returns: do_­transform(low, high).
long hash(const charT* low, const charT* high) const;
Returns: do_­hash(low, high).