Catrobat.IDE.Core.Models.Formulas.Tree.FormulaTree.Tokenize C# (CSharp) Méthode

        public abstract IEnumerable<IFormulaToken> Tokenize();

     public static IEnumerable<IFormulaToken> Tokenize(FormulaTree formula)
     {
         if (formula == null) return null;
 
         return formula.Tokenize();
     }