fix: coding style and file format for all example.

eBook/examples/chapter_4/strings_splitjoin.go

@@ -1,33 +1,34 @@
-// strings.go
-package main
-
-import (
-	"fmt"
-	"strings"
-)
-
-func main() {
-	str := "The quick brown fox jumps over the lazy dog"
-	sl := strings.Fields(str)
-	fmt.Printf("Splitted in slice: %v\n", sl)
-	for _, val := range sl {
-		fmt.Printf("%s - ", val)
-	}
-	fmt.Println()
-	str2 := "GO1|The ABC of Go|25"
-	sl2 := strings.Split(str2, "|")
-	fmt.Printf("Splitted in slice: %v\n", sl2)
-	for _, val := range sl2 {
-		fmt.Printf("%s - ", val)
-	}
-	fmt.Println()
-	str3 := strings.Join(sl2,";")
-	fmt.Printf("sl2 joined by ;: %s\n", str3)
-}
-/* Output:
-Splitted in slice: [The quick brown fox jumps over the lazy dog]
-The - quick - brown - fox - jumps - over - the - lazy - dog -
-Splitted in slice: [GO1 The ABC of Go 25]
-GO1 - The ABC of Go - 25 -
-sl2 joined by ;: GO1;The ABC of Go;25
-*/
+// strings.go
+package main
+
+import (
+	"fmt"
+	"strings"
+)
+
+func main() {
+	str := "The quick brown fox jumps over the lazy dog"
+	sl := strings.Fields(str)
+	fmt.Printf("Splitted in slice: %v\n", sl)
+	for _, val := range sl {
+		fmt.Printf("%s - ", val)
+	}
+	fmt.Println()
+	str2 := "GO1|The ABC of Go|25"
+	sl2 := strings.Split(str2, "|")
+	fmt.Printf("Splitted in slice: %v\n", sl2)
+	for _, val := range sl2 {
+		fmt.Printf("%s - ", val)
+	}
+	fmt.Println()
+	str3 := strings.Join(sl2, ";")
+	fmt.Printf("sl2 joined by ;: %s\n", str3)
+}
+
+/* Output:
+Splitted in slice: [The quick brown fox jumps over the lazy dog]
+The - quick - brown - fox - jumps - over - the - lazy - dog -
+Splitted in slice: [GO1 The ABC of Go 25]
+GO1 - The ABC of Go - 25 -
+sl2 joined by ;: GO1;The ABC of Go;25
+*/