update book code

eBook/examples/chapter_4/string_pointer.go

@@ -1,13 +1,13 @@
-package main
-
-import "fmt"
-
-func main() {
-	s := "good bye"
-	var p *string = &s
-	*p = "ciao"
-
-	fmt.Printf("Here is the pointer p: %p\n", p)  // prints address
-	fmt.Printf("Here is the string *p: %s\n", *p) // prints string
-	fmt.Printf("Here is the string  s: %s\n", s)  // prints same string
-}
+package main
+
+import "fmt"
+
+func main() {
+	s := "good bye"
+	var p *string = &s
+	*p = "ciao"
+
+	fmt.Printf("Here is the pointer p: %p\n", p)  // prints address
+	fmt.Printf("Here is the string *p: %s\n", *p) // prints string
+	fmt.Printf("Here is the string  s: %s\n", s)  // prints same string
+}