public static IoObject slotAt(IoObject target, IoObject locals, IoObject message)
{
IoMessage m = message as IoMessage;
IoNumber ind = m.localsNumberArgAt(locals, 0);
IoList o = target as IoList;
IoObject v = o.list[ind.asInt()] as IoObject;
return(v == null ? target.state.ioNil : v);
}
public static IoObject slotAt(IoObject target, IoObject locals, IoObject message)
{
IoMessage m = message as IoMessage;
IoSeq o = target as IoSeq;
IoSeq res = IoSeq.createObject(target.state);
IoNumber arg = m.localsNumberArgAt(locals, 0);
res.value += o.value.Substring(arg.asInt(), 1);
return(res);
}
public static IoObject slotRemoveAt(IoObject target, IoObject locals, IoObject message)
{
IoMessage m = message as IoMessage;
IoNumber ind = m.localsNumberArgAt(locals, 0);
IoList o = target as IoList;
try
{
o.list.RemoveAt(ind.asInt());
return(target);
}
catch (ArgumentOutOfRangeException aoore)
{
object ex = aoore;
return(target.state.ioNil);
}
}
