std::locale::combine

From cppreference.com
< cpp‎ | locale‎ | locale
Defined in header <locale>
template< class Facet >
locale combine( const locale& other ) const;

Constructs a locale object which is a copy of *this except for the facet of type Facet, which is copied from other.

Contents

[edit] Return value

The new, nameless, locale.

[edit] Exceptions

std::runtime_error if other does not implement Facet

[edit] Example

#include <iostream>
#include <locale>
 
int main()
{
    const double number = 1000.25;
    std::cout << "\"C\" locale: " << number << '\n';
    std::locale loc = std::locale().combine<std::numpunct<char>>(std::locale("en_US.UTF8"));
    std::cout.imbue(loc);
    std::cout << "\"C\" locale with en_US numpunct: " << number << '\n';
}

Output:

"C" locale: 1000.25
"C" locale with en_US numpunct: 1,000.25

[edit] See also

constructs a new locale
(public member function)