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| pkgs/default.nix linguist-generated=true |
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| {-# LANGUAGE DeriveFunctor #-} | ||
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| module PlutusPrelude ( -- * Reëxports from base | ||
| (&&&) | ||
| , toList | ||
| , bool | ||
| , first | ||
| , second | ||
| , on | ||
| , isJust | ||
| , guard | ||
| , foldl' | ||
| , fold | ||
| , throw | ||
| , join | ||
| , Generic | ||
| , NFData | ||
| , Natural | ||
| , NonEmpty (..) | ||
| , Pretty (..) | ||
| , Word8 | ||
| , Semigroup (..) | ||
| , Alternative (..) | ||
| , Exception | ||
| , PairT (..) | ||
| , Typeable | ||
| -- * Reëxports from "Control.Composition" | ||
| , (.*) | ||
| -- * Custom functions | ||
| , prettyString | ||
| , freshInt | ||
| , dropFresh | ||
| , prettyText | ||
| , debugText | ||
| , render | ||
| , repeatM | ||
| , (?) | ||
| , Debug (..) | ||
| , Fresh | ||
| -- Reëxports from "Data.Text.Prettyprint.Doc" | ||
| , (<+>) | ||
| , parens | ||
| , squotes | ||
| , Doc | ||
| ) where | ||
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| import Control.Applicative (Alternative (..)) | ||
| import Control.Arrow ((&&&)) | ||
| import Control.Composition ((.*)) | ||
| import Control.DeepSeq (NFData) | ||
| import Control.Exception (Exception, throw) | ||
| import Control.Monad (guard, join) | ||
| import Control.Monad.Trans.Reader | ||
| import Data.Bifunctor (first, second) | ||
| import Data.Bool (bool) | ||
| import Data.Foldable (fold, toList) | ||
| import Data.Function (on) | ||
| import Data.List (foldl') | ||
| import Data.List.NonEmpty (NonEmpty (..)) | ||
| import Data.Maybe (isJust) | ||
| import Data.Semigroup | ||
| import Data.Supply | ||
| import qualified Data.Text as T | ||
| import Data.Text.Prettyprint.Doc | ||
| import Data.Text.Prettyprint.Doc.Render.String (renderString) | ||
| import Data.Text.Prettyprint.Doc.Render.Text (renderStrict) | ||
| import Data.Typeable (Typeable) | ||
| import Data.Word (Word8) | ||
| import GHC.Generics (Generic) | ||
| import GHC.Natural (Natural) | ||
| import System.IO.Unsafe | ||
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| infixr 2 ? | ||
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| -- | This is like 'Pretty', but it dumps 'Unique's for each 'Name' / 'TyName' as | ||
| -- well. | ||
| class Debug a where | ||
| debug :: a -> Doc ann | ||
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| -- | Render a 'Program' as strict 'Text'. | ||
| prettyText :: Pretty a => a -> T.Text | ||
| prettyText = render . pretty | ||
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| debugText :: Debug a => a -> T.Text | ||
| debugText = render . debug | ||
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| render :: Doc a -> T.Text | ||
| render = renderStrict . layoutSmart defaultLayoutOptions | ||
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| -- | Make sure your 'Applicative' is sufficiently lazy! | ||
| repeatM :: Applicative f => f a -> f [a] | ||
| repeatM x = (:) <$> x <*> repeatM x | ||
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| newtype PairT b f a = PairT | ||
| { unPairT :: f (b, a) | ||
| } | ||
|
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| instance Functor f => Functor (PairT b f) where | ||
| fmap f (PairT p) = PairT $ fmap (fmap f) p | ||
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| newtype Fresh a = Fresh | ||
| { unFresh :: Reader (Supply Int) a | ||
| } deriving (Functor) | ||
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| instance Applicative Fresh where | ||
| pure = Fresh . pure | ||
| Fresh g <*> Fresh f = Fresh . reader $ \s -> | ||
| let (s1, s2) = split2 s in runReader g s1 (runReader f s2) | ||
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| instance Monad Fresh where | ||
| Fresh g >>= h = Fresh . reader $ \s -> | ||
| let (s1, s2) = split2 s in runReader (unFresh . h $ runReader g s1) s2 | ||
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| freshInt :: Fresh Int | ||
| freshInt = Fresh $ reader supplyValue | ||
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| dropFresh :: Fresh a -> a | ||
| dropFresh (Fresh f) = runReader f $ unsafePerformIO newEnumSupply | ||
| {-# NOINLINE dropFresh #-} | ||
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| (?) :: Alternative f => Bool -> a -> f a | ||
| (?) b x = x <$ guard b | ||
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| prettyString :: Pretty a => a -> String | ||
| prettyString = renderString . layoutPretty defaultLayoutOptions . pretty |
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language-plutus-core/recursion/Data/Functor/Foldable/Monadic.hs
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| {-# LANGUAGE FlexibleContexts #-} | ||
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| module Data.Functor.Foldable.Monadic ( cataM | ||
| ) where | ||
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| import Control.Monad ((<=<)) | ||
| import Data.Functor.Foldable | ||
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| -- | A monadic catamorphism | ||
| cataM :: (Recursive t, Traversable (Base t), Monad m) => (Base t a -> m a) -> (t -> m a) | ||
| cataM phi = c where c = phi <=< (traverse c . project) |
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