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
  18 -- * Type 'Type_Text'
  19 -- | The 'Text' type.
  20 type Type_Text = Type_Type0 (Proxy Text)
  21
  22 pattern Type_Text :: Type_Type0 (Proxy Text) root Text
  23 pattern Type_Text  = Type_Type0 Proxy
  24
  25 instance Constraint_Type Eq (Type_Text root) where
  26         constraint_type _c Type_Type0{} = Just Dict
  27 instance Constraint_Type Ord (Type_Text root) where
  28         constraint_type _c Type_Type0{} = Just Dict
  29 instance Constraint_Type Monoid (Type_Text root) where
  30         constraint_type _c Type_Type0{} = Just Dict
  31 instance Constraint_Type Num (Type_Text root)
  32 instance Constraint_Type Integral (Type_Text root)
  33 instance Constraint_Type MT.MonoFunctor (Type_Text root) where
  34         constraint_type _c Type_Type0{} = Just Dict
  35 instance -- String_from_Type
  36  String_from_Type (Type_Text root) where
  37         string_from_type _ = "Text"
  38
  39 -- | Inject 'Type_Text' within a root type.
  40 type_text :: Lift_Type_Root Type_Text root => root Text
  41 type_text = type_type0