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// { dg-do run { target c++11 } }
//#include <iostream>
#include <functional>
#include <cassert>
int main() {
std::function<int(int)> fib = [&fib] (int n) -> int {
//std::cerr << "fib(" << n << ")\n";
if (n <= 2) return 1;
else return fib(n-1) + fib(n-2);
};
assert(fib(5) == 5);
assert(fib(10) == 55);
return 0;
}
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