fix: coding style and file format for all example.

eBook/examples/chapter_10/mult_inheritance.go

@@ -1,34 +1,35 @@
-// mult_inheritance.go
-package main
-
-import "fmt"
-
-type Camera struct { } 
-
-func (c *Camera) TakeAPicture() string { 
-    return "Click"
-}
-
-type Phone struct { } 
-
-func (p *Phone ) Call() string { 
-    return "Ring Ring"
-}
-
-// multiple inheritance
-type CameraPhone struct {
-    Camera 
-    Phone  
-}
-
-func main() {
-    cp := new(CameraPhone)  
-    fmt.Println("Our new CameraPhone exhibits multiple behaviors ...")
-    fmt.Println("It exhibits behavior of a Camera: ", cp.TakeAPicture())     
-	fmt.Println("It works like a Phone too: ", cp.Call()) 
-}
-/* Output:
-Our new CameraPhone exhibits multiple behaviors ...
-It exhibits behavior of a Camera:  Click
-It works like a Phone too:  Ring Ring
-*/
+// mult_inheritance.go
+package main
+
+import "fmt"
+
+type Camera struct{}
+
+func (c *Camera) TakeAPicture() string {
+	return "Click"
+}
+
+type Phone struct{}
+
+func (p *Phone) Call() string {
+	return "Ring Ring"
+}
+
+// multiple inheritance
+type CameraPhone struct {
+	Camera
+	Phone
+}
+
+func main() {
+	cp := new(CameraPhone)
+	fmt.Println("Our new CameraPhone exhibits multiple behaviors ...")
+	fmt.Println("It exhibits behavior of a Camera: ", cp.TakeAPicture())
+	fmt.Println("It works like a Phone too: ", cp.Call())
+}
+
+/* Output:
+Our new CameraPhone exhibits multiple behaviors ...
+It exhibits behavior of a Camera:  Click
+It works like a Phone too:  Ring Ring
+*/