protected override Expression VisitMethodCall(MethodCallExpression m)
{
if (m.IsIfMethod())
{
Expression predicate = m.Arguments[1].RemoveCastToObject();
Expression result = new MemberAccessNullPropagateVisitor().Rewrite(predicate);
BinaryExpression conditionPredicate = Expression.Equal(result, Expression.Constant(result.Type.GetDefaultValue(), result.Type));
return Expression.Condition(conditionPredicate, Expression.Constant(m.Arguments[0].Type.GetDefaultValue(), m.Arguments[0].Type), m.Arguments[0]);
}
return base.VisitMethodCall(m);
}
