Catrobat.IDE.Core.Models.Formulas.Tree.FormulaTree.Append C# (CSharp) Метод

        public abstract void Append(StringBuilder sb);

        public static string Serialize(FormulaTree formula)
        {
            if (formula == null) return string.Empty;

            var sb = new StringBuilder();
            formula.Append(sb);
            return sb.ToString();
        }