fix: coding style and file format for all example.

eBook/examples/chapter_14/lazy_evaluation.go

@@ -1,30 +1,30 @@
-// lazy_evaluation.go
-package main
-
-import (
-	"fmt"
-)
-
-var resume chan int
-
-func integers() chan int {
-    yield := make (chan int)
-    count := 0
-    go func () {
-        for {
-            yield <- count
-            count++
-        }
-    } ()
-    return yield
-}
-
-func generateInteger() int {
-    return <-resume
-}
-func main() {
-	resume = integers()
-	fmt.Println(generateInteger()) //=> 0
-	fmt.Println(generateInteger()) //=> 1
-	fmt.Println(generateInteger()) //=> 2
-}
+// lazy_evaluation.go
+package main
+
+import (
+	"fmt"
+)
+
+var resume chan int
+
+func integers() chan int {
+	yield := make(chan int)
+	count := 0
+	go func() {
+		for {
+			yield <- count
+			count++
+		}
+	}()
+	return yield
+}
+
+func generateInteger() int {
+	return <-resume
+}
+func main() {
+	resume = integers()
+	fmt.Println(generateInteger()) //=> 0
+	fmt.Println(generateInteger()) //=> 1
+	fmt.Println(generateInteger()) //=> 2
+}