protected void SetValue_Internal(KV dest, VAL value)
{
if (dest.IsComputed)
{
switch (onAssignmentToFunction)
{
case ResultOfAssigningToFunction.ThrowException:
string errorMessage = "can't set " + dest.key + ", this value is computed.";
if (dest.reliesOn != null)
{
errorMessage += " relies on: " + string.Join(", ", dest.reliesOn.ConvertAll(kv => kv.key.ToString()).ToArray());
}
throw new Exception(errorMessage);
case ResultOfAssigningToFunction.Ignore: return;
case ResultOfAssigningToFunction.OverwriteFunction: dest.Compute = null; break;
}
}
VAL old = dest.val;
dest.SetInternal(value);
onChange?.Invoke(dest._key, old, dest._val);
}