26 Localization library [localization]

26.4 Standard locale categories [locale.categories]

26.4.3 The numeric punctuation facet [facet.numpunct]

26.4.3.1 Class template numpunct [locale.numpunct]

26.4.3.1.1 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.