You can build Arrays of everything in AL and Business Central

[@tetraquark2402]

Temp table array is pretty cool

[@JAlmaraz]

Great video as usual, thank you. This feature is from C/SIDE environment, isn´t it?

[@denisshitov7221]

Thanks, Erik

[@martinoomen7050]

Thanks for your video. Now I don't know the full context in case of your Toolbox, but wouldn't something like below make (almost) infinite recrefs possible?
local procedure Example()
var
Customer: Record Customer;
RecRef: RecordRef;
RecIDList: List of [RecordId];
RecID: RecordId;
begin
if Customer.findset then
repeat
RecIDList.Add(Customer.RecordId);
until Customer.Next() = 0;
foreach RecID in RecIDList do
RecRef.Get(RecID)
end;

[@Hougaard]

No, because a recordid doesn't hold filters or a set..

[@ant1d0te]

@@Hougaard in BC25 you have a possibility to use List of [Codeunit] that could have RecRef as global :)