Definition tuple_choiceMixin n (T : choiceType) :=
[choiceMixin of n.-tuple T by <:].
Canonical tuple_choiceType n (T : choiceType) :=
Eval hnf in ChoiceType (n.-tuple T) (tuple_choiceMixin n T).
Definition tuple_countMixin n (T : countType) :=
[countMixin of n.-tuple T by <:].
Canonical tuple_countType n (T : countType) :=
Eval hnf in CountType (n.-tuple T) (tuple_countMixin n T).
Canonical tuple_subCountType n (T : countType) :=
Eval hnf in [subCountType of n.-tuple T].
Module Type FinTupleSig.
Section FinTupleSig.
Variables (n : nat) (T : finType).
Parameter enum : seq (n.-tuple T).

Axiom size_enum : size enum = #|T| ^ n.
End FinTupleSig.