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Polymorphic Fixpoint g@{i} (t : Type@{i}) (n : nat) : Type@{i} :=
t.
Module A.
Polymorphic Fixpoint foo@{i} (t : Type@{i}) (n : nat) : Type@{i} :=
match n with
| 0 => t
| S n => bar t n
end
with bar (t : Type@{i}) (n : nat) : Type@{i} :=
match n with
| 0 => t
| S n => foo t n
end.
End A.
Module B.
Polymorphic Fixpoint foo@{i} (t : Type@{i}) (n : nat) : Type@{i} :=
match n with
| 0 => t
| S n => bar t n
end
with bar@{i} (t : Type@{i}) (n : nat) : Type@{i} :=
match n with
| 0 => t
| S n => foo t n
end.
End B.
Module C.
Fail Polymorphic Fixpoint foo@{i} (t : Type@{i}) (n : nat) : Type@{i} :=
match n with
| 0 => t
| S n => bar t n
end
with bar@{j} (t : Type@{j}) (n : nat) : Type@{j} :=
match n with
| 0 => t
| S n => foo t n
end.
End C.
Module D.
Polymorphic Fixpoint foo@{i j} (t : Type@{i}) (n : nat) : Type@{i} :=
match n with
| 0 => t
| S n => bar t n
end
with bar@{i j} (t : Type@{j}) (n : nat) : Type@{j} :=
match n with
| 0 => t
| S n => foo t n
end.
End D.
Module E.
Fail Polymorphic Fixpoint foo@{i j} (t : Type@{i}) (n : nat) : Type@{i} :=
match n with
| 0 => t
| S n => bar t n
end
with bar@{j i} (t : Type@{j}) (n : nat) : Type@{j} :=
match n with
| 0 => t
| S n => foo t n
end.
End E.
(*
Polymorphic Fixpoint g@{i} (t : Type@{i}) (n : nat) : Type@{i} :=
t.
Print g.
Polymorphic Fixpoint a@{i} (t : Type@{i}) (n : nat) : Type@{i} :=
t
with b@{i} (t : Type@{i}) (n : nat) : Type@{i} :=
t.
Print a.
Print b.
*)
Polymorphic CoInductive foo@{i} (T : Type@{i}) : Type@{i} :=
| A : foo T -> foo T.
Polymorphic CoFixpoint cg@{i} (t : Type@{i}) : foo@{i} t :=
@A@{i} t (cg t).
Print cg.
Polymorphic CoFixpoint ca@{i} (t : Type@{i}) : foo@{i} t :=
@A@{i} t (cb t)
with cb@{i} (t : Type@{i}) : foo@{i} t :=
@A@{i} t (ca t).
Print ca.
Print cb.
|
