mirror of
https://github.com/idris-lang/Idris2.git
synced 2024-12-16 07:34:45 +03:00
11 lines
365 B
Idris
11 lines
365 B
Idris
module Tricho
|
|
|
|
data Trichotomy : (eq, lt : a -> a -> Type) -> (a -> a -> Type) where
|
|
LT : {0 x, y : a} -> lt x y -> Trichotomy eq lt x y
|
|
EQ : {0 x, y : a} -> eq x y -> Trichotomy eq lt x x
|
|
GT : {0 x, y : a} -> lt y x -> Trichotomy eq lt x y
|
|
|
|
interface Trichotomous (a : Type) (eq, lt : a -> a -> Type) where
|
|
|
|
trichotomy : (x, y : a) -> Trichotomy eq lt x y
|