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#include <iostream>
int
main()
{
int i = 5;
/*
auto f = [=](int j) -> int
{
i += j;
return i;
};
*/
auto f = [=](int j) mutable -> int
{
i += j;
return i;
};
i = 7;
std::cout << "f(42) = " << f(42) << std::endl;
}
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