fix: coding style and file format for chapter 9.

eBook/exercises/chapter_9/dlinked_list.go

@@ -2,8 +2,8 @@
 package main
 
 import (
-	"fmt"
 	"container/list"
+	"fmt"
 )
 
 func main() {
@@ -17,6 +17,7 @@ func main() {
 		fmt.Println(e.Value)
 	}
 }
+
 /* Example output:
 &{0x12542bc0 <nil> 0x12547590 1}
 &{0x12542ba0 0x12542be0 0x12547590 2}

eBook/exercises/chapter_9/even/even.go

@@ -1,6 +1,6 @@
 // even.go
 package even
 
-func Even(i int) bool {		// exported function
+func Even(i int) bool { // exported function
 	return i%2 == 0
 }

eBook/exercises/chapter_9/fibo/fibonacci.go

@@ -14,19 +14,21 @@ func Fibonacci(n int) (res int) {
 func Fibonacci(op string, n int) (res int) {
 	if n <= 1 {
 		switch op {
-			case "+":
+		case "+":
-				res = 1
+			res = 1
-			case "*":
+		case "*":
-				res = 2
+			res = 2
-			default: res = 0
+		default:
+			res = 0
 		}
 	} else {
 		switch op {
-			case "+":
+		case "+":
-				res = Fibonacci(op, n-1) + Fibonacci(op, n-2)
+			res = Fibonacci(op, n-1) + Fibonacci(op, n-2)
-			case "*":
+		case "*":
-				res = Fibonacci(op, n-1) * Fibonacci(op, n-2)
+			res = Fibonacci(op, n-1) * Fibonacci(op, n-2)
-			default: res = 0
+		default:
+			res = 0
 		}
 	}
 	return

eBook/exercises/chapter_9/greetings/greetings.go

@@ -6,7 +6,7 @@ func GoodDay(name string) string {
 	return "Good Day " + name
 }
 
-func GoodNight(name string) string{
+func GoodNight(name string) string {
 	return "Good Night " + name
 }
 
@@ -24,4 +24,3 @@ func IsEvening() bool {
 	localTime := time.Now()
 	return localTime.Hour() <= 22
 }
-

eBook/exercises/chapter_9/main_fibo.go

@@ -1,8 +1,8 @@
 package main
 
 import (
-	"fmt"
 	"./fibo/fibo"
+	"fmt"
 )
 
 var nextFibo int
@@ -10,11 +10,11 @@ var op string
 
 func main() {
 	/*
-	result := 0
+		result := 0
-	for i:=0; i <= 10; i++ {
+		for i:=0; i <= 10; i++ {
-		result = fibo.Fibonacci(i) 
+			result = fibo.Fibonacci(i)
-		fmt.Printf("fibonacci(%d) is: %d\n", i, result)
+			fmt.Printf("fibonacci(%d) is: %d\n", i, result)
-	}
+		}
 	*/
 	op = "+"
 	calls()
@@ -40,6 +40,7 @@ func next() {
 	result = fibo.Fibonacci(op, nextFibo)
 	fmt.Printf("fibonacci(%d) is: %d\n", nextFibo, result)
 }
+
 /* *****************************************************************
 Output is:
 fibonacci(1) is: 1
@@ -58,5 +59,3 @@ fibonacci(3) is: 8
 ...
 fibonacci(4) is: 32
 ********************************************************************/
-
-

eBook/exercises/chapter_9/main_greetings.go

@@ -1,8 +1,8 @@
 package main
 
 import (
-	"fmt"
 	"./greetings/greetings"
+	"fmt"
 )
 
 func main() {
@@ -12,9 +12,9 @@ func main() {
 
 	if greetings.IsAM() {
 		fmt.Println("Good morning", name)
-	} else if greetings.IsAfternoon(){
+	} else if greetings.IsAfternoon() {
 		fmt.Println("Good afternoon", name)
-	} else if greetings.IsEvening(){
+	} else if greetings.IsEvening() {
 		fmt.Println("Good evening", name)
 	} else {
 		fmt.Println("Good night", name)

eBook/exercises/chapter_9/main_oddeven.go

@@ -2,12 +2,12 @@
 package main
 
 import (
-	"fmt"
 	"./even/even"
+	"fmt"
 )
 
 func main() {
-	for i:=0; i<=100; i++ {
+	for i := 0; i <= 100; i++ {
 		fmt.Printf("Is the integer %d even? %v\n", i, even.Even(i))
 	}
 }

eBook/exercises/chapter_9/size_int.go

@@ -11,4 +11,5 @@ func main() {
 	size := unsafe.Sizeof(i)
 	fmt.Println("The size of an int is: ", size)
 }
+
 // The size of an int is:  4