example3_void_pointers.cpp

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#include <iostream>

void printValue(void* ptr, char type) {
    switch(type) {
        case 'i':
            std::cout << "Integer value: " << *static_cast<int*>(ptr) << std::endl;
            break;
        case 'd':
            std::cout << "Double value: " << *static_cast<double*>(ptr) << std::endl;
            break;
        case 'c':
            std::cout << "Char value: " << *static_cast<char*>(ptr) << std::endl;
            break;
    }
}

int main() {
    int i = 5;
    double d = 3.14;
    char c = 'A';

    printValue(&i, 'i');
    printValue(&d, 'd');
    printValue(&c, 'c');

    return 0;
}