2010-01-04から1日間の記事一覧
{-# LANGUAGE GADTs #-} {-# LANGUAGE ScopedTypeVariables #-} {-# LANGUAGE EmptyDataDecls #-} {-# LANGUAGE TypeFamilies #-} {-# LANGUAGE RankNTypes #-} {-# LANGUAGE FlexibleContexts #-} {-# LANGUAGE FlexibleInstances #-} {-# LANGUAGE MultiPa…
{-# LANGUAGE GADTs #-} {-# LANGUAGE TypeFamilies #-} {-# LANGUAGE ScopedTypeVariables #-} {-# LANGUAGE MultiParamTypeClasses #-} {-# LANGUAGE FlexibleContexts #-} {-# LANGUAGE FunctionalDependencies #-} class Nons nons_a nons_b | nons_a ->…
GHCのバージョンは6.10.4です。 {-# LANGUAGE GADTs #-} {-# LANGUAGE ScopedTypeVariables #-} {-# LANGUAGE EmptyDataDecls #-} {-# LANGUAGE TypeFamilies #-} {-# LANGUAGE RankNTypes #-} {-# LANGUAGE FlexibleContexts #-} {-# LANGUAGE FlexibleInst…