Example.hs

{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DerivingStrategies #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE MagicHash #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE TypeOperators #-}
{-# LANGUAGE UnboxedTuples #-}
{-# LANGUAGE UndecidableInstances #-}

module Example
    ( Example.My_int_t(..)
    )
  where

import qualified HsBindgen.Runtime.HasCField as HasCField
import qualified HsBindgen.Runtime.Marshal as Marshal
import qualified HsBindgen.Runtime.Support as BG
import qualified HsBindgen.Runtime.Support.CompatHasField as BG.CompatHasField
import Prelude (Bounded, Enum, Eq, Integral, Num, Ord, Read, Real, Show, type (~))

{-| __C declaration:__ @my_int_t@

    __defined at:__ @macros\/reparse\/functions.h 19:16@

    __exported by:__ @macros\/reparse\/functions.h@
-}
newtype My_int_t = My_int_t
  { unwrapMy_int_t :: BG.CInt
  }
  deriving stock (Eq, BG.Generic, Ord, Read, Show)
  deriving newtype
    ( BG.Bitfield
    , BG.Bits
    , Bounded
    , Enum
    , BG.FiniteBits
    , BG.HasFFIType
    , Integral
    , BG.Ix
    , Num
    , BG.Prim
    , Marshal.ReadRaw
    , Real
    , Marshal.StaticSize
    , BG.Storable
    , Marshal.WriteRaw
    )

instance ( ty ~ BG.CInt
         ) => BG.CompatHasField.HasField "unwrapMy_int_t" My_int_t ty where

  hasField =
    \x0 ->
      (\y1 ->
         My_int_t {unwrapMy_int_t = y1}, BG.getField @"unwrapMy_int_t" x0)

instance ( ty ~ BG.CInt
         ) => BG.HasField "unwrapMy_int_t" (BG.Ptr My_int_t) (BG.Ptr ty) where

  getField =
    HasCField.fromPtr (BG.Proxy @"unwrapMy_int_t")

instance HasCField.HasCField My_int_t "unwrapMy_int_t" where

  type CFieldType My_int_t "unwrapMy_int_t" = BG.CInt

  offset# = \_ -> \_ -> 0