private static void Remove(ref AggregateContext <U, T, C> context, out Option <U> next)
{
context.bd.DetectBacktrack();
context.needsMove = false;
context.chained.remove(ref context.chained.context, out context.chained.current);
Skip(ref context, out next);
}
private static void Skip(ref AggregateContext <U, T, C> context, out Option <U> next)
{
context.bd.DetectBacktrack();
if (context.needsMove)
{
context.chained.skip(ref context.chained.context, out context.chained.current);
}
else
{
context.needsMove = true;
}
if (context.chained.current.isSome)
{
context.acc = context.selector(context.acc, context.chained.current.value);
next = new Option <U>(context.acc);
}
else
{
next = new Option <U>();
context.bd.Release();
}
}
private static void Dispose(ref AggregateContext <U, T, C> context, out Option <U> next)
{
next = new Option <U>();
context.bd.Release();
context.chained.dispose(ref context.chained.context, out context.chained.current);
}