fix: coding style and file format for all example.

eBook/examples/chapter_13/panic_package.go

@@ -1,39 +1,40 @@
-// panic_package.go
-package main
-
-import (
-	"fmt"
-	"./parse/parse"
-)
-
-func main() {
-        var examples = []string{
-                "1 2 3 4 5",
-                "100 50 25 12.5 6.25",
-                "2 + 2 = 4",
-                "1st class",
-                "",
-        }
-
-        for _, ex := range examples {
-                fmt.Printf("Parsing %q:\n  ", ex)
-                nums, err := parse.Parse(ex)
-                if err != nil {
-                        fmt.Println(err) // here String() method from ParseError is used
-                        continue
-                }
-                fmt.Println(nums)
-        }
-}
-/* Output:
-Parsing "1 2 3 4 5":
-  [1 2 3 4 5]
-Parsing "100 50 25 12.5 6.25":
-  pkg parse: error parsing "12.5" as int
-Parsing "2 + 2 = 4":
-  pkg parse: error parsing "+" as int
-Parsing "1st class":
-  pkg parse: error parsing "1st" as int
-Parsing "":
-  pkg: no words to parse
-*/
+// panic_package.go
+package main
+
+import (
+	"./parse/parse"
+	"fmt"
+)
+
+func main() {
+	var examples = []string{
+		"1 2 3 4 5",
+		"100 50 25 12.5 6.25",
+		"2 + 2 = 4",
+		"1st class",
+		"",
+	}
+
+	for _, ex := range examples {
+		fmt.Printf("Parsing %q:\n  ", ex)
+		nums, err := parse.Parse(ex)
+		if err != nil {
+			fmt.Println(err) // here String() method from ParseError is used
+			continue
+		}
+		fmt.Println(nums)
+	}
+}
+
+/* Output:
+Parsing "1 2 3 4 5":
+  [1 2 3 4 5]
+Parsing "100 50 25 12.5 6.25":
+  pkg parse: error parsing "12.5" as int
+Parsing "2 + 2 = 4":
+  pkg parse: error parsing "+" as int
+Parsing "1st class":
+  pkg parse: error parsing "1st" as int
+Parsing "":
+  pkg: no words to parse
+*/