erija952/blackjack — comment on commit 788aa47b61c311f4d8e699804f992b535d62acf4
File: test/deck_tests.erl line 44
By daha:

I'm not really sure that we should test for when the function fail. But leave it for now.

cleaner interface for get_card/0 would be
```erlang
{ok, card()} | {error, reason()}
```
where ```reason()``` could be ```no_cards_left``` or something similar