irc-netcore-api/IRaCIS.Core.Infrastructure/Abandon/Expression/NewExpressionVisitor.cs

25 lines
667 B
C#

using System.Linq.Expressions;
namespace IRaCIS.Core.Infrastructure.ExpressionExtend
{
/// <summary>
/// 建立新表达式
/// </summary>
internal class NewExpressionVisitor : ExpressionVisitor
{
public ParameterExpression _NewParameter { get; private set; }
public NewExpressionVisitor(ParameterExpression param)
{
this._NewParameter = param;
}
public Expression Replace(Expression exp)
{
return this.Visit(exp);
}
protected override Expression VisitParameter(ParameterExpression node)
{
return this._NewParameter;
}
}
}