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error_code example
#include <system_error> #include <iostream> #include <string> int main() { using namespace std; error_code ec1{static_cast<int>(errc::owner_dead), system_category()}; cout << ec1.value() << " : " << ec1.message() << '\n'; error_code ec2{static_cast<int>(errc::owner_dead), generic_category()}; cout << ec2.value() << " : " << ec2.message() << '\n'; error_condition en = make_error_condition(errc::owner_dead); cout << en.value() << " : " << en.message() << '\n'; }
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defined(FOO)
3
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