Demonstrate const_cast. : const cast « Development « C++

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C++ » Development » const cast Screenshots  Demonstrate const_cast. #include <iostream> using namespace std; void sqrval(const int *val) {   int *p;      p = const_cast<int *> (val);               // cast away const-ness.   *p = *val * *val;                          // now, modify object through v } int main() {   int x = 22;   cout << "x before call: " << x << endl;   sqrval(&x);   cout << "x after call: " << x << endl;   return 0; }                     Related examples in the same category 1. Demonstrates const_cast 2. Use const_cast on a const reference. 3. const_cast Demo