Filter issue when null

[DominicBeer]

Ensure nulls are set when null is an input - fails if null is last item in a list...

Objectivism/Components/FilterByType.cs

Lines 72 to 104 in 2ac845b

	protected override void SolveInstance(IGH_DataAccess DA)
	{
	IGH_Goo goo = null;
	if (!DA.GetData(0, ref goo))
	{
	return;
	}
	GH_ObjectivismObject obj;
	if (goo is GH_ObjectivismObject ghObj)
	{
	obj = ghObj;
	}
	else
	{
	this.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Can only filter ojects built with Objectivism");
	return;
	}
	TypeNames.Add(obj.Value.TypeName);
	foreach ((int i, var param) in Params.Output.Enumerate())
	{
	string name = param.NickName;
	if(obj.Value.TypeName == name)
	{
	DA.SetData(i, obj);
	}
	else
	{
	DA.SetData(i, null);
	}
	}
	}