Merge pull request #315 from appleboy/patch-1

fix: coding style and file format.

eBook/exercises/chapter_4/count_characters.go

@@ -1,22 +1,23 @@
-package main
+package main
-
+
-import (
+import (
-	"fmt"
+	"fmt"
-	"unicode/utf8"
+	"unicode/utf8"
-)
+)
-
+
-func main() {
+func main() {
-	// count number of characters:
+	// count number of characters:
-	str1 := "asSASA ddd dsjkdsjs dk"
+	str1 := "asSASA ddd dsjkdsjs dk"
-	fmt.Printf("The number of bytes in string str1 is %d\n",len(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))
+	fmt.Printf("The number of characters in string str1 is %d\n", utf8.RuneCountInString(str1))
-	str2 := "asSASA ddd dsjkdsjsこん dk"
+	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 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 characters in string str2 is %d", utf8.RuneCountInString(str2))
-}
+}
-/* Output:
+
-The number of bytes in string str1 is 22
+/* Output:
-The number of characters in string str1 is 22
+The number of bytes in string str1 is 22
-The number of bytes in string str2 is 28
+The number of characters in string str1 is 22
-The number of characters in string str2 is 24
+The number of bytes in string str2 is 28
-*/
+The number of characters in string str2 is 24
+*/

eBook/exercises/chapter_4/divby0.go

@@ -1,8 +1,8 @@
-package main
+package main
-
+
-func main() {
+func main() {
-	a, b := 10, 0
+	a, b := 10, 0
-	c := a / b // panic: runtime error: integer divide by zero
+	c := a / b // panic: runtime error: integer divide by zero
-
+
-	print(c)
+	print(c)
-}
+}

eBook/exercises/chapter_4/function_calls_function.go

@@ -1,18 +1,19 @@
-package main
+package main
-
+
-var a string  // global scope
+var a string // global scope
-
+
-func main() {
+func main() {
-	a = "G"
+	a = "G"
-	print(a)
+	print(a)
-	f1()
+	f1()
-}
+}
-func 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)
+	print(a)
-	f2()
+	f2()
-}
+}
-func f2() {
+func f2() {
-	print(a)   // global variable is taken
+	print(a) // global variable is taken
-}
+}
-// GOG
+
+// GOG

eBook/exercises/chapter_4/global_scope.go

@@ -1,19 +1,20 @@
-package main
+package main
-
+
-var a = "G" // global scope
+var a = "G" // global scope
-
+
-func main() {
+func main() {
-	n()
+	n()
-	m()
+	m()
-	n()
+	n()
-}
+}
-
+
-func n() {
+func n() {
-	print(a)
+	print(a)
-}
+}
-
+
-func m() {
+func m() {
-	a = "O" // simple assignment: global a gets a new value
+	a = "O" // simple assignment: global a gets a new value
-	print(a)
+	print(a)
-}
+}
-// GOO
+
+// GOO

eBook/exercises/chapter_4/local_scope.go

@@ -1,17 +1,18 @@
-package main
+package main
-
+
-var a = "G"   // global (package) scope
+var a = "G" // global (package) scope
-
+
-func main() {
+func main() {
-	n()
+	n()
-	m()
+	m()
-	n()
+	n()
-}
+}
-func n() {
+func n() {
-	print(a)
+	print(a)
-}
+}
-func m() {
+func m() {
-	a := "O"  // new local variable a is declared
+	a := "O" // new local variable a is declared
-	print(a)
+	print(a)
-}
+}
-// GOG
+
+// GOG