Initial commit

c++/Others/A simple conversion function example..cpp

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+A simple class with member variable, constructor, destructor
+#include <iostream>
+using namespace std;
+
+class who {
+  char name;
+public:
+  who(char c) { 
+     name = c;
+     cout << "Constructing who";
+     cout << name << endl;
+  }
+  ~who() { 
+     cout << "Destructing who: " << name << endl; 
+  }
+};
+
+who makewho()
+{
+  who temp('B');
+  return temp;
+}
+
+int main()
+{
+  who ob('A');
+
+  makewho();
+
+  return 0;
+}
+A simple conversion function example.
+#include <iostream>
+using namespace std;
+
+class MyClass {
+  int x, y;
+public:
+  MyClass(int i, int j) { 
+     x = i; 
+     y = j; 
+  }
+  operator int() { 
+     return x*y; 
+  }
+};
+
+int main()
+{
+  MyClass object1(2, 3), object2(4, 3);
+  int i;
+
+  i = object1;                 // automatically convert to integer
+  cout << i << '\n';
+
+  i = 100 + object2;           // convert object2 to integer
+  cout << i << '\n';
+
+  return 0;
+}