public static async Task <T> TakeItemFromAnyCollectionWithPriorityToFirstCollection <T>(
AsyncCollection <T> collection1,
AsyncCollection <T> collection2)
where T : class
{
var reentrantItemTakeResult = collection1.TryTakeImmediatlyOrReturnNull();
if (reentrantItemTakeResult != null && reentrantItemTakeResult.Success)
{
return(reentrantItemTakeResult.Item);
}
var itemResult = await new[] { collection1, collection2 }.TryTakeFromAnyAsync();
if (!itemResult.Success)
{
return(null);
}
return(itemResult.Item);
}