std::locale::combine (3) Linux Manual Page

std::locale::combine – std::locale::combine

Synopsis

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.

Return value

The new, nameless, locale.

Exceptions

std::runtime_error if other does not implement Facet

Example

// Run this code

#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

See also

              constructs a new locale
constructor (public member function)