example1_without_explicit.cpp

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#include <iostream>

class MyClass {
public:
    MyClass(int x) {
        std::cout << "Constructor called with " << x << std::endl;
    }
};

void printMyClass(const MyClass& obj) {
    std::cout << "In printMyClass function" << std::endl;
}

int main() {
    MyClass obj = 42;  // Implicit conversion from int to MyClass. Use 42 as arg to the constructor.
    MyClass obj1 = 52;  // Implicit conversion from int to MyClass
    printMyClass(100);  // Implicit conversion and then passing to function

    return 0;
}