    {-# LANGUAGE TypeApplications #-}

    -- | Copyright  : Will Thompson and Iñaki García Etxebarria
    -- License    : LGPL-2.1
    -- Maintainer : Iñaki García Etxebarria
    --
    -- Data type for holding integer-to-integer hash maps.

    #if !defined(__HADDOCK_VERSION__)
    #define ENABLE_OVERLOADING
    #endif

    module GI.HarfBuzz.Structs.MapT
        (

    -- * Exported types
        MapT(..)                                ,

     -- * Methods

    #if defined(ENABLE_OVERLOADING)
        ResolveMapTMethod                       ,
    #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.BasicTypes as B.Types
    import qualified Data.GI.Base.ManagedPtr as B.ManagedPtr
    import qualified Data.GI.Base.GArray as B.GArray
    import qualified Data.GI.Base.GClosure as B.GClosure
    import qualified Data.GI.Base.GError as B.GError
    import qualified Data.GI.Base.GHashTable as B.GHT
    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 Control.Monad.IO.Class as MIO
    import qualified Data.Coerce as Coerce
    import qualified Data.Text as T
    import qualified Data.Kind as DK
    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
    import qualified GHC.Records as R
    import qualified Data.Word as DW
    import qualified Data.Int as DI
    import qualified System.Posix.Types as SPT
    import qualified Foreign.C.Types as FCT

    -- Workaround for https://gitlab.haskell.org/ghc/ghc/-/issues/23392
    #if MIN_VERSION_base(4,18,0)

    #else

    #endif

    -- | Memory-managed wrapper type.
    newtype MapT = MapT (SP.ManagedPtr MapT)
        deriving (MapT -> MapT -> Bool
    (MapT -> MapT -> Bool) -> (MapT -> MapT -> Bool) -> Eq MapT
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: MapT -> MapT -> Bool
    == :: MapT -> MapT -> Bool
    $c/= :: MapT -> MapT -> Bool
    /= :: MapT -> MapT -> Bool
    Eq)

    instance SP.ManagedPtrNewtype MapT where
        toManagedPtr :: MapT -> ManagedPtr MapT
    toManagedPtr (MapT ManagedPtr MapT
    p) = ManagedPtr MapT
    p

    foreign import ccall "hb_gobject_map_get_type" c_hb_gobject_map_get_type ::
        IO GType

    type instance O.ParentTypes MapT = '[]
    instance O.HasParentTypes MapT

    instance B.Types.TypedObject MapT where
        glibType :: IO GType
    glibType = IO GType
    c_hb_gobject_map_get_type

    instance B.Types.GBoxed MapT

    -- | Convert t'MapT' to and from 'Data.GI.Base.GValue.GValue'. See 'Data.GI.Base.GValue.toGValue' and 'Data.GI.Base.GValue.fromGValue'.
    instance B.GValue.IsGValue (Maybe MapT) where
        gvalueGType_ :: IO GType
    gvalueGType_ = IO GType
    c_hb_gobject_map_get_type
        gvalueSet_ :: Ptr GValue -> Maybe MapT -> IO ()
    gvalueSet_ Ptr GValue
    gv Maybe MapT
    P.Nothing = Ptr GValue -> Ptr MapT -> IO ()
    forall a. Ptr GValue -> Ptr a -> IO ()
    B.GValue.set_boxed Ptr GValue
    gv (Ptr MapT
    forall a. Ptr a
    FP.nullPtr :: FP.Ptr MapT)
        gvalueSet_ Ptr GValue
    gv (P.Just MapT
    obj) = MapT -> (Ptr MapT -> IO ()) -> IO ()
    forall a c.
    (HasCallStack, ManagedPtrNewtype a) =>
    a -> (Ptr a -> IO c) -> IO c
    B.ManagedPtr.withManagedPtr MapT
    obj (Ptr GValue -> Ptr MapT -> IO ()
    forall a. Ptr GValue -> Ptr a -> IO ()
    B.GValue.set_boxed Ptr GValue
    gv)
        gvalueGet_ :: Ptr GValue -> IO (Maybe MapT)
    gvalueGet_ Ptr GValue
    gv = do
            ptr <- Ptr GValue -> IO (Ptr MapT)
    forall b. Ptr GValue -> IO (Ptr b)
    B.GValue.get_boxed Ptr GValue
    gv :: IO (Ptr MapT)
            if ptr /= FP.nullPtr
            then P.Just <$> B.ManagedPtr.newBoxed MapT ptr
            else return P.Nothing

    #if defined(ENABLE_OVERLOADING)
    instance O.HasAttributeList MapT
    type instance O.AttributeList MapT = MapTAttributeList
    type MapTAttributeList = ('[ ] :: [(Symbol, DK.Type)])
    #endif

    #if defined(ENABLE_OVERLOADING)
    type family ResolveMapTMethod (t :: Symbol) (o :: DK.Type) :: DK.Type where
        ResolveMapTMethod l o = O.MethodResolutionFailed l o

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

    #if MIN_VERSION_base(4,13,0)
    instance (info ~ ResolveMapTMethod t MapT, O.OverloadedMethod info MapT p, R.HasField t MapT p) => R.HasField t MapT p where
        getField = O.overloadedMethod @info

    #endif

    instance (info ~ ResolveMapTMethod t MapT, O.OverloadedMethodInfo info MapT) => OL.IsLabel t (O.MethodProxy info MapT) where
    #if MIN_VERSION_base(4,10,0)
        fromLabel = O.MethodProxy
    #else
        fromLabel _ = O.MethodProxy
    #endif

    #endif