| 10 | using namespace std::literals; |
| 11 | |
| 12 | int main() |
| 13 | { |
| 14 | const double pi = 3.14; |
| 15 | const int i = 1'024; |
| 16 | |
| 17 | // #A Create a German locale |
| 18 | const auto locDE = std::locale("de_DE.UTF-8"s); |
| 19 | // #B Create a US locale |
| 20 | const auto locUS = std::locale("en_US.UTF-8"s); |
| 21 | |
| 22 | std::cout << "double with format(loc, ...)\n"; |
| 23 | std::cout << std::format(locUS, "𝛑 in US: {:L}\n", pi); |
| 24 | std::cout << std::format(locDE, "𝛑 in DE: {:L}\n", pi); |
| 25 | |
| 26 | std::cout << "\nint with format(loc, ...)\n"; |
| 27 | std::cout << std::format(locUS, "1'024 in US: {:L}\n", i); |
| 28 | std::cout << std::format(locDE, "1'024 in DE: {:L}\n", i); |
| 29 | |
| 30 | // #C Simulate a different system locale |
| 31 | std::locale::global(locUS); |
| 32 | std::cout |
| 33 | << "\nint with format(...) after setting global loc\n"; |
| 34 | std::cout << std::format("1'024 in US: {:L}\n", i); |
| 35 | } |