static protected IEnumerable <ICancelablePromise> Concat(
ICancelablePromise p1, IEnumerable <ICancelablePromise> p1s,
ICancelablePromise p2, IEnumerable <ICancelablePromise> p2s)
{
if (p1 != null)
{
yield return(p1);
}
if (p1s != null)
{
foreach (var item in p1s)
{
yield return(item);
}
}
if (p2 != null)
{
yield return(p2);
}
if (p2s != null)
{
foreach (var item in p2s)
{
yield return(item);
}
}
}
static protected IEnumerable<ICancelablePromise> Concat(
ICancelablePromise p1, IEnumerable<ICancelablePromise> p1s,
ICancelablePromise p2, IEnumerable<ICancelablePromise> p2s) {
if (p1 != null) yield return p1;
if (p1s != null) foreach (var item in p1s) yield return item;
if (p2 != null) yield return p2;
if (p2s != null) foreach (var item in p2s) yield return item;
}
protected static IEnumerable <ICancelablePromise> Concat(
ICancelablePromise p1, IEnumerable <ICancelablePromise> p1s,
ICancelablePromise p2, IEnumerable <ICancelablePromise> p2s,
ICancelablePromise p3, IEnumerable <ICancelablePromise> p3s,
ICancelablePromise p4, IEnumerable <ICancelablePromise> p4s)
{
if (p1 != null)
{
yield return(p1);
}
if (p1s != null)
{
foreach (var item in p1s)
{
yield return(item);
}
}
if (p2 != null)
{
yield return(p2);
}
if (p2s != null)
{
foreach (var item in p2s)
{
yield return(item);
}
}
if (p3 != null)
{
yield return(p3);
}
if (p3s != null)
{
foreach (var item in p3s)
{
yield return(item);
}
}
if (p4 != null)
{
yield return(p4);
}
if (p4s != null)
{
foreach (var item in p4s)
{
yield return(item);
}
}
}
static protected IEnumerable<ICancelablePromise> Concat(
ICancelablePromise p1, IEnumerable<ICancelablePromise> p1s,
ICancelablePromise p2, IEnumerable<ICancelablePromise> p2s,
ICancelablePromise p3, IEnumerable<ICancelablePromise> p3s,
ICancelablePromise p4, IEnumerable<ICancelablePromise> p4s)
{
if (p1 != null) { yield return p1; }
if (p1s != null) foreach (var item in p1s) { yield return item; }
if (p2 != null) { yield return p2; }
if (p2s != null) foreach (var item in p2s) { yield return item; }
if (p3 != null) { yield return p3; }
if (p3s != null) foreach (var item in p3s) { yield return item; }
if (p4 != null) { yield return p4; }
if (p4s != null) foreach (var item in p4s) { yield return item; }
}
static protected IEnumerable<ICancelablePromise> Concat(ICancelablePromise p1, IEnumerable<ICancelablePromise> p1s)
{
if (p1 != null) { yield return p1; }
if (p1s != null) foreach (var item in p1s) { yield return item; }
}
