public member function
<locale>
std::numpunct::thousands_sep
char_type thousands_sep() const;
Thousands separator character
Returns the character used to represent the digit group separator.
For the standard specialization numpunct<char>, the function returns ','.
For the standard specialization numpunct<wchar_t>, the function returns L','.
Internally, this function simply calls the virtual protected member do_thousands_sep, which for the standard specializations returns:
Return value
The character used as the digit group separator.
Member type char_type is the facet's character type (defined as an alias of numpunct's template parameter, charT).
Example
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// numpunct::thousands_sep example
#include <iostream> // std::cout
#include <locale> // std::locale, std::numpunct, std::use_facet
int main ()
{
int q=10077;
char separator = std::use_facet< std::numpunct<char> >(std::cout.getloc()).thousands_sep();
std::cout << q/1000 << separator;
std::cout.width(3); std::cout.fill ('0');
std::cout << q%1000 << '\n';
return 0;
}
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Output:
Data races
The facet is accessed.
Exception safety
Strong guarantee: No side effects in case an exception is thrown.