{-# LANGUAGE TypeApplications #-}


-- | Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
-- License    : LGPL-2.1
-- Maintainer : Iñaki García Etxebarria
-- 
-- The t'GI.GLib.Structs.Data.Data' struct is an opaque data structure to represent a
-- [Keyed Data List][glib-Keyed-Data-Lists]. It should only be
-- accessed via the following functions.

#if (MIN_VERSION_haskell_gi_overloading(1,0,0) && !defined(__HADDOCK_VERSION__))
#define ENABLE_OVERLOADING
#endif

module GI.GLib.Structs.Data
    ( 

-- * Exported types
    Data(..)                                ,
    noData                                  ,


 -- * Methods
-- ** Overloaded methods #method:Overloaded methods#

#if defined(ENABLE_OVERLOADING)
    ResolveDataMethod                       ,
#endif




    ) where

import Data.GI.Base.ShortPrelude
import qualified Data.GI.Base.ShortPrelude as SP
import qualified Data.GI.Base.Overloading as O
import qualified Prelude as P

import qualified Data.GI.Base.Attributes as GI.Attributes
import qualified Data.GI.Base.ManagedPtr as B.ManagedPtr
import qualified Data.GI.Base.GClosure as B.GClosure
import qualified Data.GI.Base.GError as B.GError
import qualified Data.GI.Base.GVariant as B.GVariant
import qualified Data.GI.Base.GValue as B.GValue
import qualified Data.GI.Base.GParamSpec as B.GParamSpec
import qualified Data.GI.Base.CallStack as B.CallStack
import qualified Data.GI.Base.Properties as B.Properties
import qualified Data.GI.Base.Signals as B.Signals
import qualified Data.Text as T
import qualified Data.ByteString.Char8 as B
import qualified Data.Map as Map
import qualified Foreign.Ptr as FP
import qualified GHC.OverloadedLabels as OL


-- | Memory-managed wrapper type.
newtype Data = Data (ManagedPtr Data)
    deriving (Data -> Data -> Bool
(Data -> Data -> Bool) -> (Data -> Data -> Bool) -> Eq Data
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: Data -> Data -> Bool
$c/= :: Data -> Data -> Bool
== :: Data -> Data -> Bool
$c== :: Data -> Data -> Bool
Eq)
-- XXX Wrapping a foreign struct/union with no known destructor or size, leak?
instance WrappedPtr Data where
    wrappedPtrCalloc :: IO (Ptr Data)
wrappedPtrCalloc = Ptr Data -> IO (Ptr Data)
forall (m :: * -> *) a. Monad m => a -> m a
return Ptr Data
forall a. Ptr a
nullPtr
    wrappedPtrCopy :: Data -> IO Data
wrappedPtrCopy = Data -> IO Data
forall (m :: * -> *) a. Monad m => a -> m a
return
    wrappedPtrFree :: Maybe (GDestroyNotify Data)
wrappedPtrFree = Maybe (GDestroyNotify Data)
forall a. Maybe a
Nothing

-- | A convenience alias for `Nothing` :: `Maybe` `Data`.
noData :: Maybe Data
noData :: Maybe Data
noData = Maybe Data
forall a. Maybe a
Nothing


#if defined(ENABLE_OVERLOADING)
instance O.HasAttributeList Data
type instance O.AttributeList Data = DataAttributeList
type DataAttributeList = ('[ ] :: [(Symbol, *)])
#endif

#if defined(ENABLE_OVERLOADING)
type family ResolveDataMethod (t :: Symbol) (o :: *) :: * where
    ResolveDataMethod l o = O.MethodResolutionFailed l o

instance (info ~ ResolveDataMethod t Data, O.MethodInfo info Data p) => OL.IsLabel t (Data -> p) where
#if MIN_VERSION_base(4,10,0)
    fromLabel = O.overloadedMethod @info
#else
    fromLabel _ = O.overloadedMethod @info
#endif

#endif