    {-# LANGUAGE Trustworthy #-}
    {-# LANGUAGE NoImplicitPrelude #-}
    {-# OPTIONS_HADDOCK not-home #-}

    -----------------------------------------------------------------------------
    -- |
    -- Module      :  GHC.IO.IOMode
    -- Copyright   :  (c) The University of Glasgow, 1994-2008
    -- License     :  see libraries/base/LICENSE
    --
    -- Maintainer  :  libraries@haskell.org
    -- Stability   :  internal
    -- Portability :  non-portable
    --
    -- The IOMode type
    --
    -----------------------------------------------------------------------------

    module GHC.IO.IOMode (IOMode(..)) where

    import GHC.Base
    import GHC.Show
    import GHC.Read
    import GHC.Arr
    import GHC.Enum

    -- | See 'System.IO.openFile'
    data IOMode      =  ReadMode | WriteMode | AppendMode | ReadWriteMode
                        deriving ( IOMode -> IOMode -> Bool
    (IOMode -> IOMode -> Bool)
    -> (IOMode -> IOMode -> Bool) -> Eq IOMode
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: IOMode -> IOMode -> Bool
    == :: IOMode -> IOMode -> Bool
    $c/= :: IOMode -> IOMode -> Bool
    /= :: IOMode -> IOMode -> Bool
    Eq   -- ^ @since 4.2.0.0
                                 , Eq IOMode
    Eq IOMode =>
    (IOMode -> IOMode -> Ordering)
    -> (IOMode -> IOMode -> Bool)
    -> (IOMode -> IOMode -> Bool)
    -> (IOMode -> IOMode -> Bool)
    -> (IOMode -> IOMode -> Bool)
    -> (IOMode -> IOMode -> IOMode)
    -> (IOMode -> IOMode -> IOMode)
    -> Ord IOMode
    IOMode -> IOMode -> Bool
    IOMode -> IOMode -> Ordering
    IOMode -> IOMode -> IOMode
    forall a.
    Eq a =>
    (a -> a -> Ordering)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> Bool)
    -> (a -> a -> a)
    -> (a -> a -> a)
    -> Ord a
    $ccompare :: IOMode -> IOMode -> Ordering
    compare :: IOMode -> IOMode -> Ordering
    $c< :: IOMode -> IOMode -> Bool
    < :: IOMode -> IOMode -> Bool
    $c<= :: IOMode -> IOMode -> Bool
    <= :: IOMode -> IOMode -> Bool
    $c> :: IOMode -> IOMode -> Bool
    > :: IOMode -> IOMode -> Bool
    $c>= :: IOMode -> IOMode -> Bool
    >= :: IOMode -> IOMode -> Bool
    $cmax :: IOMode -> IOMode -> IOMode
    max :: IOMode -> IOMode -> IOMode
    $cmin :: IOMode -> IOMode -> IOMode
    min :: IOMode -> IOMode -> IOMode
    Ord  -- ^ @since 4.2.0.0
                                 , Ord IOMode
    Ord IOMode =>
    ((IOMode, IOMode) -> [IOMode])
    -> ((IOMode, IOMode) -> IOMode -> Int)
    -> ((IOMode, IOMode) -> IOMode -> Int)
    -> ((IOMode, IOMode) -> IOMode -> Bool)
    -> ((IOMode, IOMode) -> Int)
    -> ((IOMode, IOMode) -> Int)
    -> Ix IOMode
    (IOMode, IOMode) -> Int
    (IOMode, IOMode) -> [IOMode]
    (IOMode, IOMode) -> IOMode -> Bool
    (IOMode, IOMode) -> IOMode -> Int
    forall a.
    Ord a =>
    ((a, a) -> [a])
    -> ((a, a) -> a -> Int)
    -> ((a, a) -> a -> Int)
    -> ((a, a) -> a -> Bool)
    -> ((a, a) -> Int)
    -> ((a, a) -> Int)
    -> Ix a
    $crange :: (IOMode, IOMode) -> [IOMode]
    range :: (IOMode, IOMode) -> [IOMode]
    $cindex :: (IOMode, IOMode) -> IOMode -> Int
    index :: (IOMode, IOMode) -> IOMode -> Int
    $cunsafeIndex :: (IOMode, IOMode) -> IOMode -> Int
    unsafeIndex :: (IOMode, IOMode) -> IOMode -> Int
    $cinRange :: (IOMode, IOMode) -> IOMode -> Bool
    inRange :: (IOMode, IOMode) -> IOMode -> Bool
    $crangeSize :: (IOMode, IOMode) -> Int
    rangeSize :: (IOMode, IOMode) -> Int
    $cunsafeRangeSize :: (IOMode, IOMode) -> Int
    unsafeRangeSize :: (IOMode, IOMode) -> Int
    Ix   -- ^ @since 4.2.0.0
                                 , Int -> IOMode
    IOMode -> Int
    IOMode -> [IOMode]
    IOMode -> IOMode
    IOMode -> IOMode -> [IOMode]
    IOMode -> IOMode -> IOMode -> [IOMode]
    (IOMode -> IOMode)
    -> (IOMode -> IOMode)
    -> (Int -> IOMode)
    -> (IOMode -> Int)
    -> (IOMode -> [IOMode])
    -> (IOMode -> IOMode -> [IOMode])
    -> (IOMode -> IOMode -> [IOMode])
    -> (IOMode -> IOMode -> IOMode -> [IOMode])
    -> Enum IOMode
    forall a.
    (a -> a)
    -> (a -> a)
    -> (Int -> a)
    -> (a -> Int)
    -> (a -> [a])
    -> (a -> a -> [a])
    -> (a -> a -> [a])
    -> (a -> a -> a -> [a])
    -> Enum a
    $csucc :: IOMode -> IOMode
    succ :: IOMode -> IOMode
    $cpred :: IOMode -> IOMode
    pred :: IOMode -> IOMode
    $ctoEnum :: Int -> IOMode
    toEnum :: Int -> IOMode
    $cfromEnum :: IOMode -> Int
    fromEnum :: IOMode -> Int
    $cenumFrom :: IOMode -> [IOMode]
    enumFrom :: IOMode -> [IOMode]
    $cenumFromThen :: IOMode -> IOMode -> [IOMode]
    enumFromThen :: IOMode -> IOMode -> [IOMode]
    $cenumFromTo :: IOMode -> IOMode -> [IOMode]
    enumFromTo :: IOMode -> IOMode -> [IOMode]
    $cenumFromThenTo :: IOMode -> IOMode -> IOMode -> [IOMode]
    enumFromThenTo :: IOMode -> IOMode -> IOMode -> [IOMode]
    Enum -- ^ @since 4.2.0.0
                                 , ReadPrec [IOMode]
    ReadPrec IOMode
    Int -> ReadS IOMode
    ReadS [IOMode]
    (Int -> ReadS IOMode)
    -> ReadS [IOMode]
    -> ReadPrec IOMode
    -> ReadPrec [IOMode]
    -> Read IOMode
    forall a.
    (Int -> ReadS a)
    -> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
    $creadsPrec :: Int -> ReadS IOMode
    readsPrec :: Int -> ReadS IOMode
    $creadList :: ReadS [IOMode]
    readList :: ReadS [IOMode]
    $creadPrec :: ReadPrec IOMode
    readPrec :: ReadPrec IOMode
    $creadListPrec :: ReadPrec [IOMode]
    readListPrec :: ReadPrec [IOMode]
    Read -- ^ @since 4.2.0.0
                                 , Int -> IOMode -> ShowS
    [IOMode] -> ShowS
    IOMode -> String
    (Int -> IOMode -> ShowS)
    -> (IOMode -> String) -> ([IOMode] -> ShowS) -> Show IOMode
    forall a.
    (Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
    $cshowsPrec :: Int -> IOMode -> ShowS
    showsPrec :: Int -> IOMode -> ShowS
    $cshow :: IOMode -> String
    show :: IOMode -> String
    $cshowList :: [IOMode] -> ShowS
    showList :: [IOMode] -> ShowS
    Show -- ^ @since 4.2.0.0
                                 )