removed unused commented code

operand-func.go

@@ -40,7 +40,6 @@ func checkFunctionCall(ctx ExprContext, name string, varParams *[]any) (err erro
 			err = errTooMuchParams(name, info.MaxArgs(), len(*varParams))
 		}
 		if err == nil && owner != ctx {
-			// ctx.RegisterFunc(name, info.Functor(), info.MinArgs(), info.MaxArgs())
 			ctx.RegisterFuncInfo(info)
 		}
 	} else {
@@ -52,7 +51,6 @@ func checkFunctionCall(ctx ExprContext, name string, varParams *[]any) (err erro
 func evalFuncCall(parentCtx ExprContext, self *term) (v any, err error) {
 	ctx := cloneContext(parentCtx)
 	name, _ := self.tk.Value.(string)
-	// fmt.Printf("Call %s(), context: %p\n", name, ctx)
 	params := make([]any, len(self.children), len(self.children)+5)
 	for i, tree := range self.children {
 		var param any
@@ -85,20 +83,6 @@ func newFuncDefTerm(tk *Token, args []*term) *term {
 }
 
 // -------- eval func def
-// func _evalFuncDef(ctx ExprContext, self *term) (v any, err error) {
-// 	bodySpec := self.value()
-// 	if expr, ok := bodySpec.(*ast); ok {
-// 		paramList := make([]string, 0, len(self.children))
-// 		for _, param := range self.children {
-// 			paramList = append(paramList, param.source())
-// 		}
-// 		v = newExprFunctor(expr, paramList, ctx)
-// 	} else {
-// 		err = errors.New("invalid function definition: the body specification must be an expression")
-// 	}
-// 	return
-// }
-
 func evalFuncDef(ctx ExprContext, self *term) (v any, err error) {
 	bodySpec := self.value()
 	if expr, ok := bodySpec.(*ast); ok {