private static T Pop(ref SlimList <T> slimList, Int32 index)
{
var result = slimList[index];
slimList.RemoveAt(index);
return(result);
}
private static Boolean TryPeek(ref SlimList <T> slimList, out T value, Int32 index)
{
if (slimList.Count > 0)
{
return(TryResult(true, out value, slimList[index]));
}
else
{
return(TryResult(false, out value, default(T)));
}
}
private T Dequeue(ref SlimList <T> a, ref SlimList <T> b)
{
if (a.Count > 0)
{
return(PopLast(ref a));
}
if (b.Count > 0)
{
return(PopFirst(ref b));
}
throw new EmptySlimDequeException();
}
private static Boolean TryPeekLast(ref SlimList <T> x, out T value) => TryPeek(ref x, out value, x.Count - 1);
private static Boolean TryPeekFirst(ref SlimList <T> x, out T value) => TryPeek(ref x, out value, 0);
private static T PopLast(ref SlimList <T> x) => Pop(ref x, x.Count - 1);
private static T PopFirst(ref SlimList <T> x) => Pop(ref x, 0);