C++ | Templates | Question 10
Output?
#include <iostream>using namespace std; template<int n> struct funStruct{ static const int val = 2*funStruct<n-1>::val;}; template<> struct funStruct<0>{ static const int val = 1 ;}; int main(){ cout << funStruct<10>::val << endl; return 0;} |
(A) Compiler Error
(B) 1024
(C) 2
(D) 1
Answer: (B)
Explanation: This is an example of template metaprogramming. The program mainly calculates 2^10.
Quiz of this Question
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