Merge pull request #315 from appleboy/patch-1

fix: coding style and file format.

eBook/exercises/chapter_4/count_characters.go

@@ -8,12 +8,13 @@ import (
 func main() {
 	// count number of characters:
 	str1 := "asSASA ddd dsjkdsjs dk"
-	fmt.Printf("The number of bytes in string str1 is %d\n",len(str1))
-	fmt.Printf("The number of characters in string str1 is %d\n",utf8.RuneCountInString(str1))
+	fmt.Printf("The number of bytes in string str1 is %d\n", len(str1))
+	fmt.Printf("The number of characters in string str1 is %d\n", utf8.RuneCountInString(str1))
 	str2 := "asSASA ddd dsjkdsjsこん dk"
-	fmt.Printf("The number of bytes in string str2 is %d\n",len(str2))
-	fmt.Printf("The number of characters in string str2 is %d",utf8.RuneCountInString(str2))
+	fmt.Printf("The number of bytes in string str2 is %d\n", len(str2))
+	fmt.Printf("The number of characters in string str2 is %d", utf8.RuneCountInString(str2))
 }
+
 /* Output:
 The number of bytes in string str1 is 22
 The number of characters in string str1 is 22

eBook/exercises/chapter_4/function_calls_function.go

@@ -1,6 +1,6 @@
 package main
 
-var a string  // global scope
+var a string // global scope
 
 func main() {
 	a = "G"
@@ -8,11 +8,12 @@ func main() {
 	f1()
 }
 func f1() {
-	a := "O"   // new local variable a, only scoped within f1() !
+	a := "O" // new local variable a, only scoped within f1() !
 	print(a)
 	f2()
 }
 func f2() {
-	print(a)   // global variable is taken
+	print(a) // global variable is taken
 }
+
 // GOG

eBook/exercises/chapter_4/global_scope.go

@@ -16,4 +16,5 @@ func m() {
 	a = "O" // simple assignment: global a gets a new value
 	print(a)
 }
+
 // GOO

eBook/exercises/chapter_4/local_scope.go

@@ -1,6 +1,6 @@
 package main
 
-var a = "G"   // global (package) scope
+var a = "G" // global (package) scope
 
 func main() {
 	n()
@@ -11,7 +11,8 @@ func n() {
 	print(a)
 }
 func m() {
-	a := "O"  // new local variable a is declared
+	a := "O" // new local variable a is declared
 	print(a)
 }
+
 // GOG