Ids of cards no exercise's card_ids references - the detection core of the W-CARD-UNUSED lint, shared with the suggest-wiring CLI (#20). Returns ids in card-definition order; a lesson without cards yields an empty list.
card_ids
Ids of cards no exercise's
card_idsreferences - the detection core of the W-CARD-UNUSED lint, shared with the suggest-wiring CLI (#20). Returns ids in card-definition order; a lesson without cards yields an empty list.