lint

readline/buffer.go

@@ -154,7 +154,7 @@ func (b *Buffer) MoveToStart() {
 	if b.Pos > 0 {
 		currLine := b.DisplayPos / b.LineWidth
 		if currLine > 0 {
-			for cnt := 0; cnt < currLine; cnt++ {
+			for range currLine {
 				fmt.Print(CursorUp)
 			}
 		}
@@ -169,7 +169,7 @@ func (b *Buffer) MoveToEnd() {
 		currLine := b.DisplayPos / b.LineWidth
 		totalLines := b.DisplaySize() / b.LineWidth
 		if currLine < totalLines {
-			for cnt := 0; cnt < totalLines-currLine; cnt++ {
+			for range totalLines - currLine {
 				fmt.Print(CursorDown)
 			}
 			remainder := b.DisplaySize() % b.LineWidth
@@ -451,7 +451,7 @@ func (b *Buffer) DeleteBefore() {
 func (b *Buffer) DeleteRemaining() {
 	if b.DisplaySize() > 0 && b.Pos < b.DisplaySize() {
 		charsToDel := b.Buf.Size() - b.Pos
-		for cnt := 0; cnt < charsToDel; cnt++ {
+		for range charsToDel {
 			b.Delete()
 		}
 	}
@@ -495,7 +495,7 @@ func (b *Buffer) ClearScreen() {
 		if currPos > 0 {
 			targetLine := currPos / b.LineWidth
 			if targetLine > 0 {
-				for cnt := 0; cnt < targetLine; cnt++ {
+				for range targetLine {
 					fmt.Print(CursorDown)
 				}
 			}

readline/history.go

@@ -91,7 +91,7 @@ func (h *History) Add(l []rune) {
 func (h *History) Compact() {
 	s := h.Buf.Size()
 	if s > h.Limit {
-		for cnt := 0; cnt < s-h.Limit; cnt++ {
+		for range s - h.Limit {
 			h.Buf.Remove(0)
 		}
 	}
@@ -139,7 +139,7 @@ func (h *History) Save() error {
 	defer f.Close()
 
 	buf := bufio.NewWriter(f)
-	for cnt := 0; cnt < h.Size(); cnt++ {
+	for cnt := range h.Size() {
 		v, _ := h.Buf.Get(cnt)
 		line, _ := v.([]rune)
 		if _, err := buf.WriteString(string(line) + "\n"); err != nil {

readline/readline.go

@@ -63,7 +63,7 @@ func New(prompt Prompt) (*Instance, error) {
 
 func (i *Instance) Readline() (string, error) {
 	if !i.Terminal.rawmode {
-		fd := int(syscall.Stdin)
+		fd := syscall.Stdin
 		termios, err := SetRawMode(fd)
 		if err != nil {
 			return "", err
@@ -80,7 +80,7 @@ func (i *Instance) Readline() (string, error) {
 	fmt.Print(prompt)
 
 	defer func() {
-		fd := int(syscall.Stdin)
+		fd := syscall.Stdin
 		//nolint:errcheck
 		UnsetRawMode(fd, i.Terminal.termios)
 		i.Terminal.rawmode = false
@@ -136,7 +136,7 @@ func (i *Instance) Readline() (string, error) {
 				buf.MoveRight()
 			case CharBracketedPaste:
 				var code string
-				for cnt := 0; cnt < 3; cnt++ {
+				for range 3 {
 					r, err = i.Terminal.Read()
 					if err != nil {
 						return "", io.EOF
@@ -198,7 +198,7 @@ func (i *Instance) Readline() (string, error) {
 			buf.Remove()
 		case CharTab:
 			// todo: convert back to real tabs
-			for cnt := 0; cnt < 8; cnt++ {
+			for range 8 {
 				buf.Add(' ')
 			}
 		case CharDelete:
@@ -216,7 +216,7 @@ func (i *Instance) Readline() (string, error) {
 		case CharCtrlW:
 			buf.DeleteWord()
 		case CharCtrlZ:
-			fd := int(syscall.Stdin)
+			fd := syscall.Stdin
 			return handleCharCtrlZ(fd, i.Terminal.termios)
 		case CharEnter, CharCtrlJ:
 			output := buf.String()
@@ -248,7 +248,7 @@ func (i *Instance) HistoryDisable() {
 }
 
 func NewTerminal() (*Terminal, error) {
-	fd := int(syscall.Stdin)
+	fd := syscall.Stdin
 	termios, err := SetRawMode(fd)
 	if err != nil {
 		return nil, err