30 Localization library [localization]

30.4 Standard locale categories [locale.categories]

30.4.4 The numeric punctuation facet [facet.numpunct]

30.4.4.1 Class template numpunct [locale.numpunct]

30.4.4.1.2 Members [facet.numpunct.members]

char_type decimal_point() const;
Returns: do_decimal_point().
char_type thousands_sep() const;
Returns: do_thousands_sep().
string grouping() const;
Returns: do_grouping().
string_type truename() const; string_type falsename() const;
Returns: do_truename() or do_falsename(), respectively.