Ders 41

Author: ArinSoftware

41_polymorphism/main.go

@@ -0,0 +1,48 @@
+package main
+
+import "fmt"
+
+type shape interface {
+	area() float64
+}
+
+func printArea(shapes ...shape) {
+	for _, shape := range shapes {
+		fmt.Println("Alan : ", shape.area())
+	}
+}
+
+type triangle struct {
+	a float64
+	h float64
+}
+
+func (t triangle) area() float64 {
+	return (t.a * t.h) / 2
+}
+
+type square struct {
+	a float64
+}
+
+func (s square) area() float64 {
+	return (s.a * s.a)
+}
+
+type rectangle struct {
+	a, b float64
+}
+
+func (r rectangle) area() float64 {
+	return (r.a * r.b)
+}
+
+func main() {
+
+	t := triangle{3, 4}
+	s := square{4}
+	r := rectangle{4, 5}
+
+	printArea(t, s, r)
+
+}