fix: fixed the infinite call loop in WidgetGo.Serve .

cmd/test/main.go

@@ -19,6 +19,10 @@ func ExtractSessionData(c tg.Context) *SessionData {
 	return c.SessionData().(*SessionData)
 }
 
+var BackWidget = tg.RenderFunc(func(c tg.Context) tg.UI{
+	return c.GoRet(tg.Back)
+})
+
 var beh = tg.NewBehaviour().SetInit(tg.Func(func(c tg.Context) {
 	// The session initialization.
 	c.SetSessionData(&SessionData{})

cmd/test/start.go

@@ -24,6 +24,7 @@ var StartWidget = tg.RenderFunc(func(c tg.Context) tg.UI {
 
 		tg.Messagef("Choose your interest").Reply(
 			tg.NewKeyboard().List(
+				tg.Buttonf("Back").Go(BackWidget),
 				tg.Buttonf("Inc/Dec").Go(IncDecWidget),
 				tg.Buttonf("Mutate messages").Go(MutateMessagesWidget),
 				tg.Buttonf("Send location").Go(LocationWidget),

context.go

@@ -6,6 +6,7 @@ import (
 	"net/http"
 	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
 	//"path"
+	//"log"
 )
 
 
@@ -316,7 +317,7 @@ func (c Context) Go(pth Widget) error {
 
 	var back bool
 	if pth == Back {
-		if len(c.session.pathHistory) < 2 {
+		if len(c.session.pathHistory) <= 1 {
 			return c.Go(nil)
 		}
 		pth = c.session.pathHistory[len(c.session.pathHistory)-2]

go.go

@@ -21,7 +21,7 @@ func (w WidgetGo) Act(c Context) {
 // Implementing the Server interface.
 func (widget WidgetGo) Serve(c Context) {
 	c.input.Close()
-	c.Go(widget)
+	c.WithArg(widget.Path).Go(widget.Path)
 }
 
 func (widget WidgetGo) Render(c Context) UI {