fix: coding style and file format for all example.

eBook/examples/chapter_10/embed_func1.go

@@ -1,43 +1,44 @@
-package main
-
-import (
-	"fmt"
-)
-
-type Log struct {
-	msg string
-}
-
-type Customer struct {
-    Name	string
-    log 	*Log
-}
-
-func main() {
-	// c := new(Customer)
-	// c.Name = "Barak Obama"
-	// c.log = new(Log)
-	// c.log.msg = "1 - Yes we can!"
-	// shorter:
-	c := &Customer{"Barak Obama", &Log{"1 - Yes we can!"}}
-	// fmt.Println(c)   // &{Barak Obama 1 - Yes we can!}
-	c.Log().Add("2 - After me the world will be a better place!")
-	//fmt.Println(c.log)
-	fmt.Println(c.Log())
-}
-
-func (l *Log) Add(s string) {
-	l.msg += "\n" + s
-}
-
-func (l *Log) String() string {
-	return l.msg
-}
-
-func (c *Customer) Log() *Log {
-    return c.log
-}
-/* Output:
-1 - Yes we can!
-2 - After me the world will be a better place!
-*/
+package main
+
+import (
+	"fmt"
+)
+
+type Log struct {
+	msg string
+}
+
+type Customer struct {
+	Name string
+	log  *Log
+}
+
+func main() {
+	// c := new(Customer)
+	// c.Name = "Barak Obama"
+	// c.log = new(Log)
+	// c.log.msg = "1 - Yes we can!"
+	// shorter:
+	c := &Customer{"Barak Obama", &Log{"1 - Yes we can!"}}
+	// fmt.Println(c)   // &{Barak Obama 1 - Yes we can!}
+	c.Log().Add("2 - After me the world will be a better place!")
+	//fmt.Println(c.log)
+	fmt.Println(c.Log())
+}
+
+func (l *Log) Add(s string) {
+	l.msg += "\n" + s
+}
+
+func (l *Log) String() string {
+	return l.msg
+}
+
+func (c *Customer) Log() *Log {
+	return c.log
+}
+
+/* Output:
+1 - Yes we can!
+2 - After me the world will be a better place!
+*/