Linting.

cmd/Chapter01/Example01.02/ex01.02.go

@@ -7,36 +7,39 @@ import (
 	"log"
 	"math/rand"
 	"strconv"
-	"time"
 )
 
 // Taken from: https://en.wiktionary.org/wiki/Hello_World#Translations
 var helloList = []string{
 	"Hello, world",
 	"Καλημέρα κόσμε",
 	"こんにちは世界",
-	"سلام دنیا‎",
+	// "سلام دنیا‎",
+	"سلام دنیا\u200e",
 	"Привет, мир",
 }
 
 func main() {
-	// Seed random number generator using the current time
-	rand.Seed(time.Now().UnixNano())
 	// Generate a random number in the range of out list
 	index := rand.Intn(len(helloList))
+
 	// Call a function and receive multiple return values
 	msg, err := hello(index)
+
 	// Handle any errors
 	if err != nil {
 		log.Fatal(err)
 	}
+
 	// Print our message to the console
 	fmt.Println(msg)
 }
+
 func hello(index int) (string, error) {
 	if index < 0 || index > len(helloList)-1 {
 		// Create an error, convert the int type to a string
 		return "", errors.New("out of range: " + strconv.Itoa(index))
 	}
+
 	return helloList[index], nil
 }

cmd/Chapter14/Exercise14.04/server/server.go

@@ -21,11 +21,16 @@ func (srv server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	if err != nil {
 		log.Fatal(err)
 	}
+
 	err = os.WriteFile(fmt.Sprintf("./%s", uploadedFileHeader.Filename), fileContent, 0666)
 	if err != nil {
 		log.Fatal(err)
 	}
-	w.Write([]byte(fmt.Sprintf("%s Uploaded!", uploadedFileHeader.Filename)))
+
+	_, err = w.Write([]byte(fmt.Sprintf("%s Uploaded!", uploadedFileHeader.Filename)))
+	if err != nil {
+		log.Fatal(err)
+	}
 }
 
 func main() {

cmd/Chapter15/Exercise15.05/main_test.go → cmd/Chapter15/Exercise15.05/e15.05_test.go

@@ -1,9 +1,9 @@
 package main
 
 import (
-	"io/ioutil"
 	"net/http"
 	"net/http/httptest"
+	"os"
 	"strings"
 	"testing"
 )
@@ -13,12 +13,12 @@ func TestStatic(t *testing.T) {
 	w := httptest.NewRecorder()
 	http.ServeFile(w, r, "./index.html")
 
-	content, err := ioutil.ReadFile("index.html")
+	content, err := os.ReadFile("index.html")
 	if err != nil {
 		t.Error(err)
 	}
 	//rpl := strings.NewReplacer(" ","","\n","")
 	if w.Body.String() != string(content) {
-		t.Errorf("%s\n%s", string(content),w.Body.String())
+		t.Errorf("%s\n%s", string(content), w.Body.String())
 	}
-}
+}