quox/lib/Quox/PrettyValExtra.idr

module Quox.PrettyValExtra

import Data.DPair
import Derive.Prelude
import public Text.Show.Value
import public Text.Show.PrettyVal
import public Text.Show.PrettyVal.Derive

%language ElabReflection

%runElab derive "SnocList" [PrettyVal]


export %inline
PrettyVal a => PrettyVal (Subset a p) where
  prettyVal (Element x _) = Con "Element" [prettyVal x, Con "_" []]

export %inline
(forall x. PrettyVal (p x)) => PrettyVal (Exists p) where
  prettyVal (Evidence _ p) = Con "Evidence" [Con "_" [], prettyVal p]