formatting

Former-commit-id: 037081db5d6d4434e873ca8b75334ee43e046b6a

_examples/tutorial/api-for-apache-kafka/src/main.go

@@ -375,5 +375,4 @@ func getTopicConsumeSSEHandler(ctx iris.Context) {
 			flusher.Flush()
 		}
 	}
-
 }

_examples/tutorial/dropzonejs/src/main.go

@@ -32,7 +32,6 @@ type uploadedFiles struct {
 }
 
 func scanUploads(dir string) *uploadedFiles {
-
 	f := new(uploadedFiles)
 
 	lindex := dir[len(dir)-1]
@@ -54,7 +53,6 @@ func scanUploads(dir string) *uploadedFiles {
 func (f *uploadedFiles) scan(dir string) {
 	f.dir = dir
 	filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
-
 		// if it's directory or a thumbnail we saved earlier, skip it.
 		if info.IsDir() || strings.HasPrefix(info.Name(), "thumbnail_") {
 			return nil
@@ -117,7 +115,6 @@ func (f *uploadedFiles) createThumbnail(uf uploadedFile) {
 		png.Encode(out, resized)
 	}
 	// and so on... you got the point, this code can be simplify, as a practise.
-
 }
 
 func main() {
@@ -152,7 +149,6 @@ func main() {
 		// assuming that you have a folder named 'uploads'
 		out, err := os.OpenFile(uploadsDir+fname,
 			os.O_WRONLY|os.O_CREATE, 0666)
-
 		if err != nil {
 			ctx.StatusCode(iris.StatusInternalServerError)
 			ctx.Application().Logger().Warnf("Error while preparing the new file: %v", err.Error())

_examples/tutorial/mongodb/main.go

@@ -26,7 +26,7 @@ import (
 const version = "0.0.1"
 
 func init() {
-	var envFileName = ".env"
+	envFileName := ".env"
 
 	flagset := flag.CommandLine
 	flagset.StringVar(&envFileName, "env", envFileName, "the env file which web app will use to extract its environment variables")

_examples/tutorial/url-shortener/main.go

@@ -99,7 +99,6 @@ func newApp(db *DB) *iris.Application {
 					ctx.ViewData("FORM_RESULT",
 						template.HTML("<pre><a target='_new' href='"+shortenURL+"'>"+shortenURL+" </a></pre>"))
 				}
-
 			}
 		}
 

_examples/tutorial/url-shortener/main_test.go

@@ -73,5 +73,4 @@ func TestURLShortener(t *testing.T) {
 	}
 
 	time.Sleep(1 * time.Second)
-
 }

_examples/tutorial/url-shortener/store.go

@@ -20,9 +20,7 @@ type Store interface {
 	Close()                             // release the store or ignore
 }
 
-var (
-	tableURLs = []byte("urls")
-)
+var tableURLs = []byte("urls")
 
 // DB representation of a Store.
 // Only one table/bucket which contains the urls, so it's not a fully Database,
@@ -44,7 +42,7 @@ func openDatabase(stumb string) *bolt.DB {
 	}
 
 	// create the buckets here
-	var tables = [...][]byte{
+	tables := [...][]byte{
 		tableURLs,
 	}
 
@@ -160,7 +158,6 @@ func (d *DB) GetByValue(value string) (keys []string) {
 // Len returns all the "shorted" urls length
 func (d *DB) Len() (num int) {
 	d.db.View(func(tx *bolt.Tx) error {
-
 		// Assume bucket exists and has keys
 		b := tx.Bucket(tableURLs)
 		if b == nil {