mirror of
https://github.com/GrammaticalFramework/gf-core.git
synced 2026-04-10 13:29:32 -06:00
12 lines
321 B
Plaintext
12 lines
321 B
Plaintext
Pair : Type -> Type -> Type
|
|
Pair A B = sig { p1 : A; p2 : B }
|
|
|
|
pair : (A:Type) -> (B:Type) -> A -> B -> Pair A B
|
|
pair _ _ x y = rec { p1 = x; p2 = y }
|
|
|
|
fst : (A:Type) -> (B:Type) -> Pair A B -> A
|
|
fst _ _ p = case p of Pair _ _ x _ -> x
|
|
|
|
snd : (A:Type) -> (B:Type) -> Pair A B -> B
|
|
snd _ _ p = case p of Pair _ _ x _ -> x
|