private static void Skip(ref EitherContext <C2, T, C> context, out Option <T> next)
{
context.bd.DetectBacktrack();
if (context.needsMove)
{
if (context.isLeft)
{
context.left.skip(ref context.left.context, out context.left.current);
}
else
{
context.right.skip(ref context.right.context, out context.right.current);
}
}
else
{
context.needsMove = true;
}
next = context.isLeft ? context.left.current : context.right.current;
if (!next.isSome)
{
context.bd.Release();
}
}
private static void Remove(ref EitherContext <C2, T, C> context, out Option <T> next)
{
context.bd.DetectBacktrack();
context.needsMove = false;
if (context.isLeft)
{
context.left.remove(ref context.left.context, out context.left.current);
}
else
{
context.right.remove(ref context.right.context, out context.right.current);
}
Skip(ref context, out next);
}
private static void Dispose(ref EitherContext <C2, T, C> context, out Option <T> next)
{
next = Option <T> .None;
context.bd.Release();
if (context.isLeft)
{
context.left.dispose(ref context.left.context, out context.left.current);
}
else
{
context.right.dispose(ref context.right.context, out context.right.current);
}
}