Language/Symantic/Type/Int.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.Int where
   9
  10 import Data.Proxy
  11 import Language.Symantic.Type.Root
  12 import Language.Symantic.Type.Type0
  13
  14 -- * Type 'Type_Int'
  15 -- | The 'Int' type.
  16 type Type_Int = Type_Type0 (Proxy Int)
  17
  18 pattern Type_Int :: Type_Int root Int
  19 pattern Type_Int  = Type_Type0 Proxy
  20
  21 instance Constraint_Type Eq (Type_Int root) where
  22         constraint_type _c Type_Type0{} = Just Dict
  23 instance Constraint_Type Ord (Type_Int root) where
  24         constraint_type _c Type_Type0{} = Just Dict
  25 instance Constraint_Type Monoid (Type_Int root)
  26 instance Constraint_Type Num (Type_Int root) where
  27         constraint_type _c Type_Type0{} = Just Dict
  28 instance Constraint_Type Integral (Type_Int root) where
  29         constraint_type _c Type_Type0{} = Just Dict
  30 instance String_from_Type (Type_Int root) where
  31         string_from_type _ = "Int"
  32
  33 -- | Inject 'Type_Int' within a root type.
  34 type_int :: Lift_Type_Root Type_Int root => root Int
  35 type_int = type_type0