public IDisposable Modify(ICell <TModification> cellMod)
{
AddModification(cellMod.value);
var disp = new DoubleDisposable();
disp.First = new AnonymousDisposable(() => RemoveModification(cellMod.value));
disp.Second = cellMod.BufferListenUpdates((newVal, oldVal) => ReplaceModification(oldVal, newVal));
return(disp);
}
