internal static void AddGiver <T>(ref Giver <T> queue, T x, int me, Pick pk, Cont <Unit> uK)
{
var last = queue;
Giver <T> elem;
if (null != last)
{
goto MaybeReuse;
}
elem = new Giver <T>();
queue = elem;
elem.Next = elem;
goto Init;
MaybeReuse:
elem = last;// as Giver<T>;
var pkGiver = elem.Pick;
if (null != pkGiver && pkGiver.State > 0)
{
goto Init;
}
elem = new Giver <T>();
queue = elem;
elem.Next = last.Next;
last.Next = elem;
Init:
elem.Value = x;
elem.Me = me;
elem.Pick = pk;
elem.Cont = uK;
}
internal static void ReplaceRangeInclusive <T>(Giver <T> tail, Giver <T> next, Giver <T> cache)
{
if (null == cache)
{
tail.Next = next;
}
else
{
tail.Next = cache.Next;
cache.Next = next;
}
}
internal static void ReplaceRange <T>(ref Giver <T> queue, Giver <T> last, Giver <T> cache)
{
var tail = queue;
if (tail == last)
{
queue = cache;
}
else
{
ReplaceRangeInclusive(tail, last.Next, cache);
}
}
internal static void Enqueue <T>(ref Giver <T> queue, Giver <T> elem)
{
var tail = queue;
if (null == tail)
{
elem.Next = elem;
queue = elem;
}
else
{
elem.Next = tail.Next;
tail.Next = elem;
}
}
internal static void AddGiver <T>(ref Send <T> queue, T x, int me, Pick pk, Cont <Unit> uK)
{
var last = queue;
Giver <T> elem;
if (null != last)
{
goto MaybeReuse;
}
elem = new Giver <T>();
queue = elem;
elem.Next = elem;
elem.Value = x;
elem.Me = me;
elem.Pick = pk;
elem.Cont = uK;
return;
MaybeReuse:
elem = last as Giver <T>;
if (null == elem)
{
goto New;
}
var pkGiver = elem.Pick;
if (null != pkGiver && pkGiver.State > 0)
{
goto Init;
}
New:
elem = new Giver <T>();
queue = elem;
elem.Next = last.Next;
last.Next = elem;
Init:
elem.Value = x;
elem.Me = me;
elem.Pick = pk;
elem.Cont = uK;
CleanGivers(elem);
}
internal static void AddGiver <T>(ref Giver <T> queue, T x, Cont <Unit> uK)
{
var last = queue;
Giver <T> elem;
if (null != last)
{
goto MaybeReuse;
}
elem = new Giver <T>();
queue = elem;
elem.Next = elem;
elem.Value = x;
elem.Cont = uK;
return;
MaybeReuse:
elem = last;// as Giver<T>;
var pkGiver = elem.Pick;
if (null != pkGiver && pkGiver.State > 0)
{
goto Reuse;
}
elem = new Giver <T>();
queue = elem;
elem.Next = last.Next;
last.Next = elem;
elem.Value = x;
elem.Cont = uK;
return;
Reuse:
elem.Pick = null;
elem.Value = x;
elem.Cont = uK;
}