category 0.2.1.0 → 0.2.2.0

raw patch · 5 files changed

+155/−2 lines, 5 filesdep +transformersPVP ok

version bump matches the API change (PVP)

Dependencies added: transformers

API changes (from Hackage documentation)

Files

• Control/Categorical/Monad.hs +19/−0
• Data/Functor/Trans/Identity.hs +57/−0
• Data/Functor/Trans/Reader.hs +37/−0
• Data/Functor/Trans/Writer.hs +25/−0
• category.cabal +17/−2

@@ -8,6 +8,7 @@ import Data.Semigroup (Arg (..))  import Control.Categorical.Functor+import Control.Category.Dual  infixr 1 >=>, <=<, =>=, =<= @@ -79,3 +80,21 @@ instance Comonad (->) (Arg a) where     counit (Arg _ b) = b     cut (Arg a b) = Arg a (Arg a b)++instance Functor s t m => Functor s (->) (Kleisli t m a) where+    map f (Kleisli φ) = Kleisli (map f . φ)++instance Category s => Functor s (->) (Cokleisli s ɯ a) where+    map f (Cokleisli φ) = Cokleisli (f . φ)++instance Category s => Functor (Dual s) (NT (->)) (Kleisli s m) where+    map (Dual f) = NT (\ (Kleisli φ) -> Kleisli (φ . f))++instance Functor s t ɯ => Functor (Dual s) (NT (->)) (Cokleisli t ɯ) where+    map (Dual f) = NT (\ (Cokleisli φ) -> Cokleisli (φ . map f))++instance Monad s m => Functor (Kleisli s m) s m where+    map = bind . kleisli++instance Comonad s ɯ => Functor (Cokleisli s ɯ) s ɯ where+    map = cobind . cokleisli

@@ -0,0 +1,57 @@+module Data.Functor.Trans.Identity where++import Control.Categorical.Functor+import Control.Categorical.Monad++newtype IdentityT f a = IdentityT { runIdentityT :: f a }++instance Functor (NT (->)) (NT (->)) IdentityT where+    map f = NT (\ (IdentityT x) -> IdentityT (nt f x))++instance Monad (->) m => Functor (NT (Kleisli (->) m)) (NT (Kleisli (->) m)) IdentityT where+    map f = NT (Kleisli (map IdentityT . kleisli (nt f) . runIdentityT))++instance Comonad (->) ɯ => Functor (NT (Cokleisli (->) ɯ)) (NT (Cokleisli (->) ɯ)) IdentityT where+    map f = NT (Cokleisli (IdentityT . cokleisli (nt f) . map runIdentityT))++instance Monad (NT (->)) IdentityT where+    unit = NT IdentityT+    join = NT runIdentityT++instance Comonad (NT (->)) IdentityT where+    counit = NT runIdentityT+    cut = NT IdentityT++instance Monad (->) m => Monad (NT (Kleisli (->) m)) IdentityT where+    unit = NT (Kleisli (unit . IdentityT))+    join = NT (Kleisli (unit . runIdentityT))++instance Comonad (->) ɯ => Monad (NT (Cokleisli (->) ɯ)) IdentityT where+    unit = NT (Cokleisli (IdentityT . counit))+    join = NT (Cokleisli (runIdentityT . counit))++instance Comonad (->) ɯ => Comonad (NT (Cokleisli (->) ɯ)) IdentityT where+    counit = NT (Cokleisli (runIdentityT . counit))+    cut = NT (Cokleisli (IdentityT . counit))++instance Monad (->) m => Comonad (NT (Kleisli (->) m)) IdentityT where+    counit = NT (Kleisli (unit . runIdentityT))+    cut = NT (Kleisli (unit . IdentityT))++deriving instance Functor s (->) f => Functor s (->) (IdentityT f)++instance Monad (->) f => Monad (->) (IdentityT f) where+    unit = IdentityT . unit+    join = IdentityT . bind runIdentityT . runIdentityT++instance Comonad (->) f => Comonad (->) (IdentityT f) where+    counit = counit . runIdentityT+    cut = runIdentityT . cobind runIdentityT . IdentityT++instance (Functor s (Kleisli (->) m) f, Endofunctor (->) m) =>+         Functor s (Kleisli (->) m) (IdentityT f) where+    map f = Kleisli (map IdentityT . kleisli (map f) . runIdentityT)++instance (Functor s (Cokleisli (->) ɯ) f, Endofunctor (->) ɯ) =>+         Functor s (Cokleisli (->) ɯ) (IdentityT f) where+    map f = Cokleisli (IdentityT . cokleisli (map f) . map runIdentityT)

@@ -0,0 +1,37 @@+{-# LANGUAGE RankNTypes #-}++module Data.Functor.Trans.Reader where++import Control.Categorical.Functor+import Control.Categorical.Monad+import Data.Function (flip)++newtype ReaderT s r f a = ReaderT { runReaderT :: r `s` f a }++instance {-# INCOHERENT #-} Functor s t f => Functor s (->) (ReaderT t r f) where+    map f (ReaderT x) = ReaderT (map f . x)++instance (Functor t (->) f, Functor (->) (->) (s r)) => Functor t (->) (ReaderT s r f) where+    map f (ReaderT x) = ReaderT ((map f :: _ -> _) <$> x)++instance Monad (->) f => Monad (->) (ReaderT (->) r f) where+    unit = ReaderT . unit . unit+    join (ReaderT x) = ReaderT (\ r -> (flip id r >=> flip runReaderT r) x)++instance Comonad (->) ɯ => Comonad (->) (ReaderT (,) r ɯ) where+    counit = counit . counit . runReaderT+    cut (ReaderT (r, x)) = ReaderT (r, cobind (ReaderT . (,) r) x)++instance (Functor t (->) (s r)) => Functor (NT t) (NT (->)) (ReaderT s r) where+    map f = NT (\ (ReaderT x) -> ReaderT (nt f <$> x))++instance Monad (->) (s r) => Monad (NT (->)) (ReaderT s r) where+    unit = NT (ReaderT . unit)+    join = NT (ReaderT . bind runReaderT . runReaderT)++instance Comonad (->) (s r) => Comonad (NT (->)) (ReaderT s r) where+    counit = NT (counit . runReaderT)+    cut = NT (ReaderT . cobind ReaderT . runReaderT)++instance Functor t (NT (->)) s => Functor t (NT (NT (->))) (ReaderT s) where+    map f = NT (NT (\ (ReaderT x) -> ReaderT (nt (map f) x)))

@@ -0,0 +1,25 @@+module Data.Functor.Trans.Writer where++import Control.Categorical.Functor+import Control.Categorical.Monad++newtype WriterT p w f a = WriterT { runWriterT :: f (p w a) }++instance (Functor (->) (->) f, Functor s (->) (p w)) => Functor s (->) (WriterT p w f) where+    map f (WriterT x) = WriterT ((map f :: _ -> _) <$> x)++instance (Monoid w, Monad (->) f) => Monad (->) (WriterT (,) w f) where+    unit = WriterT . unit . unit+    join = WriterT . bind (\ (w, WriterT y) -> map (\ (w', a) -> (w <> w', a)) y) . runWriterT++instance (Comonad (->) (p w), Comonad (->) f) => Comonad (->) (WriterT p w f) where+    counit = counit . counit . runWriterT+    cut = WriterT . cobind (\ x -> (\ _ -> WriterT x) <$> counit x) . runWriterT++instance Monad (->) f => Monad (->) (WriterT Either w f) where+    unit = WriterT . unit . unit+    join = WriterT . bind (\ case Left w -> unit (Left w)+                                  Right (WriterT x) -> x) . runWriterT++instance Functor (NT (->)) (NT (->)) (WriterT p w) where+    map f = NT (\ (WriterT x) -> WriterT (nt f x))

@@ -1,5 +1,5 @@ name:                category-version:             0.2.1.0+version:             0.2.2.0 synopsis:            Categorical types and classes -- description:          license:             BSD3@@ -19,22 +19,37 @@                      , Control.Category.Const2                      , Control.Category.Dual                      , Control.Category.Groupoid+                     , Data.Functor.Trans.Identity+                     , Data.Functor.Trans.Reader+                     , Data.Functor.Trans.Writer                      , Data.Morphism.Endo                      , Data.Morphism.Iso   other-modules:       Prelude   build-depends:       base >=4.10 && <5                      , alg >=0.2 && <0.3+                     , transformers >= 0.5 && < 0.6   default-language:    Haskell2010   default-extensions:  UnicodeSyntax                      , LambdaCase+                     , PartialTypeSignatures                      , TypeOperators                      , PolyKinds                      , ConstraintKinds                      , MultiParamTypeClasses                      , FlexibleContexts                      , FlexibleInstances+                     , DerivingStrategies+                     , StandaloneDeriving                      , GeneralizedNewtypeDeriving-  ghc-options:         -Wall -Wno-name-shadowing+  ghc-options:         -Wall -Wcompat -Wredundant-constraints -Wno-name-shadowing+                       -Wincomplete-record-updates -Wincomplete-uni-patterns+                       -Werror=incomplete-patterns+                       -Werror=incomplete-uni-patterns+                       -Werror=incomplete-record-updates+                       -Werror=missing-fields+                       -Werror=missing-methods+                       -Wno-partial-type-signatures+                       -Wno-simplifiable-class-constraints  source-repository head   type: git