summaryrefslogtreecommitdiff
path: root/Examples/mzscheme/class/example.h
diff options
context:
space:
mode:
Diffstat (limited to 'Examples/mzscheme/class/example.h')
-rw-r--r--Examples/mzscheme/class/example.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/Examples/mzscheme/class/example.h b/Examples/mzscheme/class/example.h
new file mode 100644
index 000000000..0dff185b2
--- /dev/null
+++ b/Examples/mzscheme/class/example.h
@@ -0,0 +1,34 @@
+/* File : example.h */
+
+class Shape {
+public:
+ Shape() {
+ nshapes++;
+ }
+ virtual ~Shape() {
+ nshapes--;
+ }
+ double x, y;
+ void move(double dx, double dy);
+ virtual double area() = 0;
+ virtual double perimeter() = 0;
+ static int nshapes;
+};
+
+class Circle : public Shape {
+private:
+ double radius;
+public:
+ Circle(double r) : radius(r) { }
+ virtual double area();
+ virtual double perimeter();
+};
+
+class Square : public Shape {
+private:
+ double width;
+public:
+ Square(double w) : width(w) { }
+ virtual double area();
+ virtual double perimeter();
+};