Define Choice as special case of GenStrong
This commit is contained in:
parent
c6215d7509
commit
2e4fa7ff87
|
@ -24,6 +24,18 @@ public export
|
|||
second : Strong p => p a b -> p (c, a) (c, b)
|
||||
second = strongr {ten=Pair}
|
||||
|
||||
public export
|
||||
Choice : (p : Type -> Type -> Type) -> Type
|
||||
Choice = GenStrong Either
|
||||
|
||||
public export
|
||||
left : Choice p => p a b -> p (Either a c) (Either b c)
|
||||
left = strongl {ten=Either}
|
||||
|
||||
public export
|
||||
right : Choice p => p a b -> p (Either c a) (Either c b)
|
||||
right = strongr {ten=Either}
|
||||
|
||||
|
||||
|
||||
export
|
||||
|
|
Loading…
Reference in a new issue