moneypunct::do_grouping
A protected virtual member function that returns a locale-specific rule for determining how digits are grouped to the left of any decimal point.
virtual string do_grouping( ) const;
Return Value
A locale-specific rule for determining how digits are grouped to the left of any decimal point.
Example
See the example for grouping, where the virtual member function is called by grouping.
Requirements
Header: <locale>
Namespace: std