public override void Eval(EvaluatorState ev)
{
//Console.WriteLine(this.ToString());
// value is in R
IValue val = ev.GetVal();
// get tableptr
// TODO: add a test, if is the value at the stack top a table
ValueTable table = (ValueTable)ev.Stack.ReadTop().GetObjectValue();
// get the key and assign the value to the array
// table[key] = value
table.Insert(table.AssignAutoKey().ToString(), val);
}