private static LambdaExpression MakeBinary(this LambdaExpression left, LambdaExpression right, Func <Expression, Expression, Expression> func) { var data = Combinate(right.Parameters, left.Parameters).ToArray(); right = ParameterReplace.Replace(right, data) as LambdaExpression; return(Expression.Lambda(func(left.Body, right.Body), left.Parameters.ToArray())); }
public static Expression Replace(Expression e, IEnumerable <KeyValuePair <ParameterExpression, ParameterExpression> > paramList) { var item = new ParameterReplace(paramList); return(item.Visit(e)); }