Language/Symantic/Type/Text.hs

   1 {-# LANGUAGE FlexibleContexts #-}
   2 {-# LANGUAGE FlexibleInstances #-}
   3 {-# LANGUAGE MultiParamTypeClasses #-}
   4 {-# LANGUAGE PatternSynonyms #-}
   5 {-# LANGUAGE ScopedTypeVariables #-}
   6 {-# LANGUAGE TypeFamilies #-}
   7 {-# OPTIONS_GHC -fno-warn-orphans #-}
   8 module Language.Symantic.Type.Text where
   9
  10 import Data.Proxy
  11 import Data.Text (Text)
  12 import Language.Symantic.Type.Root
  13 import Language.Symantic.Type.Type0
  14
  15 -- * Type 'Type_Text'
  16 -- | The 'Text' type.
  17 type Type_Text = Type_Type0 (Proxy Text)
  18
  19 pattern Type_Text :: Type_Type0 (Proxy Text) root Text
  20 pattern Type_Text  = Type_Type0 Proxy
  21
  22 instance Constraint_Type Eq (Type_Text root) where
  23         constraint_type _c Type_Type0{} = Just Dict
  24 instance Constraint_Type Ord (Type_Text root) where
  25         constraint_type _c Type_Type0{} = Just Dict
  26 instance Constraint_Type Monoid (Type_Text root) where
  27         constraint_type _c Type_Type0{} = Just Dict
  28 instance Constraint_Type Num (Type_Text root)
  29 instance Constraint_Type Integral (Type_Text root)
  30 instance -- String_from_Type
  31  String_from_Type (Type_Text root) where
  32         string_from_type _ = "Text"
  33
  34 -- | Inject 'Type_Text' within a root type.
  35 type_text :: Lift_Type_Root Type_Text root => root Text
  36 type_text = type_type0