fix: coding style and file format for chapter 10.

eBook/exercises/chapter_10/timezones.go

@@ -1,40 +1,41 @@
-// Output:
-// Eastern Standard time
-// Universal Greenwich time
-// Central Standard time
-package main
-
-import "fmt"
-
-type TZ int
-
-const (
-	HOUR TZ = 60 * 60
-	UTC  TZ = 0 * HOUR
-	EST  TZ = -5 * HOUR
-	CST  TZ = -6 * HOUR  
-)
-
-var timeZones = map[TZ]string { UTC:"Universal Greenwich time", 
-							    EST:"Eastern Standard time",
-								CST:"Central Standard time" }
-
-func (tz TZ) String() string { 	// Method on TZ (not ptr)
-	for name, zone := range timeZones {
-		if tz == name {
-			return zone
-		}
-	}
-	return ""
-}
-
-func main() {
-	fmt.Println(EST) 		  // Print* knows about method String() of type TZ
-	fmt.Println(0 * HOUR)
-	fmt.Println(-6 * HOUR)   
-}
-/* Output:
-Eastern Standard time
-Universal Greenwich time
-Central Standard time
-*/
+// Output:
+// Eastern Standard time
+// Universal Greenwich time
+// Central Standard time
+package main
+
+import "fmt"
+
+type TZ int
+
+const (
+	HOUR TZ = 60 * 60
+	UTC  TZ = 0 * HOUR
+	EST  TZ = -5 * HOUR
+	CST  TZ = -6 * HOUR
+)
+
+var timeZones = map[TZ]string{UTC: "Universal Greenwich time",
+	EST: "Eastern Standard time",
+	CST: "Central Standard time"}
+
+func (tz TZ) String() string { // Method on TZ (not ptr)
+	for name, zone := range timeZones {
+		if tz == name {
+			return zone
+		}
+	}
+	return ""
+}
+
+func main() {
+	fmt.Println(EST) // Print* knows about method String() of type TZ
+	fmt.Println(0 * HOUR)
+	fmt.Println(-6 * HOUR)
+}
+
+/* Output:
+Eastern Standard time
+Universal Greenwich time
+Central Standard time
+*/