Data commit

Task/Call-an-object-method/D/call-an-object-method.d

@@ -0,0 +1,37 @@
+struct Cat {
+    static int staticMethod() {
+        return 2;
+    }
+
+    string dynamicMethod() { // Never virtual.
+        return "Mew!";
+    }
+}
+
+class Dog {
+    static int staticMethod() {
+        return 5;
+    }
+
+    string dynamicMethod() { // Virtual method.
+        return "Woof!";
+    }
+}
+
+void main() {
+    // Static methods calls:
+    assert(Cat.staticMethod() == 2);
+    assert(Dog.staticMethod() == 5);
+
+    Cat c; // This is a value on the stack.
+    Dog d; // This is just a reference, set to null.
+
+    // Other static method calls, discouraged:
+    assert(c.staticMethod() == 2);
+    assert(d.staticMethod() == 5);
+
+    // Instance method calls:
+    assert(c.dynamicMethod() == "Mew!");
+    d = new Dog;
+    assert(d.dynamicMethod() == "Woof!");
+}