fix: fix lint issue

uuid.go

@@ -14,8 +14,13 @@ type UUID struct {
 // V4 returns UUID V4 as string
 func (u UUID) V4() string {
 	var uuid [16]byte
-	io.ReadFull(rand.Reader, uuid[:])
+
+	if _, err := io.ReadFull(rand.Reader, uuid[:]); err != nil {
+		panic(err)
+	}
+
 	uuid[6] = (uuid[6] & 0x0f) | 0x40 // Version 4
 	uuid[8] = (uuid[8] & 0x3f) | 0x80 // Variant is 10
+
 	return fmt.Sprintf("%x-%x-%x-%x-%x", uuid[0:4], uuid[4:6], uuid[6:8], uuid[8:10], uuid[10:])
 }

uuid_test.go

@@ -10,10 +10,12 @@ import (
 func TestUUID_v4(t *testing.T) {
 	f := faker.NewFaker()
 	value := f.UUID().V4()
+
 	match, err := regexp.MatchString("^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}$", value)
 	if err != nil {
 		t.Fatal(err)
 	}
+
 	if !match {
 		t.Fatal("want true, got false")
 	}