Language/Symantic/Type/Text.hs

   1 {-# LANGUAGE FlexibleContexts #-}
   2 {-# LANGUAGE FlexibleInstances #-}
   3 {-# LANGUAGE MultiParamTypeClasses #-}
   4 {-# LANGUAGE PatternSynonyms #-}
   5 {-# LANGUAGE ScopedTypeVariables #-}
   6 {-# LANGUAGE TypeFamilies #-}
   7 {-# LANGUAGE UndecidableInstances #-}
   8 {-# OPTIONS_GHC -fno-warn-orphans #-}
   9 module Language.Symantic.Type.Text where
  10
  11 import qualified Data.MonoTraversable as MT
  12 import Data.Proxy
  13 import Data.Text (Text)
  14
  15 import Language.Symantic.Type.Root
  16 import Language.Symantic.Type.Type0
  17 import Language.Symantic.Type.Constraint
  18 import Language.Symantic.Type.Family
  19
  20 -- * Type 'Type_Text'
  21 -- | The 'Text' type.
  22 type Type_Text = Type0 (Proxy Text)
  23
  24 pattern Type_Text :: Type0 (Proxy Text) root Text
  25 pattern Type_Text  = Type0 Proxy
  26
  27 instance Type0_Constraint Eq (Type_Text root) where
  28         type0_constraint _c Type0{} = Just Dict
  29 instance Type0_Constraint Ord (Type_Text root) where
  30         type0_constraint _c Type0{} = Just Dict
  31 instance Type0_Constraint Monoid (Type_Text root) where
  32         type0_constraint _c Type0{} = Just Dict
  33 instance Type0_Constraint Num (Type_Text root)
  34 instance Type0_Constraint Integral (Type_Text root)
  35 instance Type_Root_Lift (Type0 (Proxy (MT.Element Text))) root =>
  36          Type0_Family Type_Family_MonoElement (Type_Text root) where
  37         type0_family _at Type0{} = Just type0
  38 instance Type0_Constraint MT.MonoFunctor (Type_Text root) where
  39         type0_constraint _c Type0{} = Just Dict
  40 instance -- String_from_Type
  41  String_from_Type (Type_Text root) where
  42         string_from_type _ = "Text"
  43
  44 -- | Inject 'Type_Text' within a root type.
  45 type_text :: Type_Root_Lift Type_Text root => root Text
  46 type_text = type0