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#include <iostream>
union is_odd {
long long int number;
bool yes : sizeof(long long int);
};
int main() {
std::boolalpha(std::cout);
for (long long int i = -10; i < 10; ++i) {
std::cout << i << " is odd? "
<< is_odd{ .number = i }.yes
<< "\n";
}
}
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