std::moneypunct<CharT,International>::grouping, do_grouping
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std::moneypunct
Member functions
moneypunct::groupingmoneypunct::do_grouping
Defined in header
<locale>
public:
std::string grouping() const;
(1)
std::string grouping() const;
protected:
virtual std::string do_grouping() const;
(2)
virtual std::string do_grouping() const;
1) Public member function, calls the member function
do_grouping of the most derived class.2) Returns the pattern that determines the grouping of the digits in the monetary output, with the same exact meaning as std::numpunct::do_grouping .
[edit] Return value
The object of type std::string holding the groups. The standard specializations of std::moneypunct return an empty string, indicating no grouping. Typical groupings (e.g. the en_US locale) return "003円".
[edit] Example
Run this code
#include <iomanip> #include <iostream> #include <iterator> #include <locale> struct space_out : std::moneypunct <char> { pattern do_pos_format() const { return {value, none, none, none}; } int do_frac_digits() const { return 0; } char_type do_thousands_sep() const { return ' '; } string_type do_grouping() const { return "002円"; } }; int main() { std::cout.imbue(std::locale ("en_US.UTF-8")); std::cout << "american locale: " << std::showbase << std::put_money (12345678.0) << '\n'; std::cout.imbue(std::locale (std::cout.getloc(), new space_out)); std::cout << "locale with modified moneypunct: " << std::put_money (12345678.0) << '\n'; }
Output:
american locale: 123,456ドル.78 locale with modified moneypunct: 12 34 56 78
[edit] See also
[virtual]
(virtual protected member function) [edit]