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Question #273 Difficulty:
According to the C++17 standard, what is the output of this program?
#include <iostream>
struct A {
A() { std::cout << "A"; }
~A() { std::cout << "a"; }
};
int main() {
std::cout << "main";
return sizeof new A;
}
Hint:
The operand of sizeof
in this form is an unevaluated operand.
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