source: branches/symbreg-factors-2650/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Interfaces/IVariableSymbol.cs @ 14238

#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
namespace HeuristicLab.Problems.DataAnalysis.Symbolic {

  /// <summary>
  /// Any symbol that references a variable
  /// </summary>
  public interface IVariableSymbol : ISymbol {
  }

  /// <summary>
  /// Any tree node that references a variable 
  /// </summary>
  public interface IVariableTreeNode : ISymbolicExpressionTreeNode {
    string VariableName { get; }
  }
}