    module Data.Time.Calendar.CalendarDiffDays
        (
            -- * Calendar Duration
            module Data.Time.Calendar.CalendarDiffDays
        ) where

    #if MIN_VERSION_base(4,8,0)
    #else
    import Data.Monoid
    #endif
    #if MIN_VERSION_base(4,9,0) && !MIN_VERSION_base(4,11,0)
    import Data.Semigroup hiding (option)
    #endif
    import Data.Typeable
    import Data.Data

    data CalendarDiffDays = CalendarDiffDays
        { CalendarDiffDays -> Integer
    cdMonths :: Integer
        , CalendarDiffDays -> Integer
    cdDays :: Integer
        } deriving (CalendarDiffDays -> CalendarDiffDays -> Bool
    (CalendarDiffDays -> CalendarDiffDays -> Bool)
    -> (CalendarDiffDays -> CalendarDiffDays -> Bool)
    -> Eq CalendarDiffDays
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    /= :: CalendarDiffDays -> CalendarDiffDays -> Bool
    $c/= :: CalendarDiffDays -> CalendarDiffDays -> Bool
    == :: CalendarDiffDays -> CalendarDiffDays -> Bool
    $c== :: CalendarDiffDays -> CalendarDiffDays -> Bool
    Eq,
        Typeable CalendarDiffDays
    Typeable CalendarDiffDays
    -> (forall (c :: * -> *).
        (forall d b. Data d => c (d -> b) -> d -> c b)
        -> (forall g. g -> c g) -> CalendarDiffDays -> c CalendarDiffDays)
    -> (forall (c :: * -> *).
        (forall b r. Data b => c (b -> r) -> c r)
        -> (forall r. r -> c r) -> Constr -> c CalendarDiffDays)
    -> (CalendarDiffDays -> Constr)
    -> (CalendarDiffDays -> DataType)
    -> (forall (t :: * -> *) (c :: * -> *).
        Typeable t =>
        (forall d. Data d => c (t d)) -> Maybe (c CalendarDiffDays))
    -> (forall (t :: * -> * -> *) (c :: * -> *).
        Typeable t =>
        (forall d e. (Data d, Data e) => c (t d e))
        -> Maybe (c CalendarDiffDays))
    -> ((forall b. Data b => b -> b)
        -> CalendarDiffDays -> CalendarDiffDays)
    -> (forall r r'.
        (r -> r' -> r)
        -> r -> (forall d. Data d => d -> r') -> CalendarDiffDays -> r)
    -> (forall r r'.
        (r' -> r -> r)
        -> r -> (forall d. Data d => d -> r') -> CalendarDiffDays -> r)
    -> (forall u.
        (forall d. Data d => d -> u) -> CalendarDiffDays -> [u])
    -> (forall u.
        Int -> (forall d. Data d => d -> u) -> CalendarDiffDays -> u)
    -> (forall (m :: * -> *).
        Monad m =>
        (forall d. Data d => d -> m d)
        -> CalendarDiffDays -> m CalendarDiffDays)
    -> (forall (m :: * -> *).
        MonadPlus m =>
        (forall d. Data d => d -> m d)
        -> CalendarDiffDays -> m CalendarDiffDays)
    -> (forall (m :: * -> *).
        MonadPlus m =>
        (forall d. Data d => d -> m d)
        -> CalendarDiffDays -> m CalendarDiffDays)
    -> Data CalendarDiffDays
    CalendarDiffDays -> DataType
    CalendarDiffDays -> Constr
    (forall b. Data b => b -> b)
    -> CalendarDiffDays -> CalendarDiffDays
    forall a.
    Typeable a
    -> (forall (c :: * -> *).
        (forall d b. Data d => c (d -> b) -> d -> c b)
        -> (forall g. g -> c g) -> a -> c a)
    -> (forall (c :: * -> *).
        (forall b r. Data b => c (b -> r) -> c r)
        -> (forall r. r -> c r) -> Constr -> c a)
    -> (a -> Constr)
    -> (a -> DataType)
    -> (forall (t :: * -> *) (c :: * -> *).
        Typeable t =>
        (forall d. Data d => c (t d)) -> Maybe (c a))
    -> (forall (t :: * -> * -> *) (c :: * -> *).
        Typeable t =>
        (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c a))
    -> ((forall b. Data b => b -> b) -> a -> a)
    -> (forall r r'.
        (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> a -> r)
    -> (forall r r'.
        (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> a -> r)
    -> (forall u. (forall d. Data d => d -> u) -> a -> [u])
    -> (forall u. Int -> (forall d. Data d => d -> u) -> a -> u)
    -> (forall (m :: * -> *).
        Monad m =>
        (forall d. Data d => d -> m d) -> a -> m a)
    -> (forall (m :: * -> *).
        MonadPlus m =>
        (forall d. Data d => d -> m d) -> a -> m a)
    -> (forall (m :: * -> *).
        MonadPlus m =>
        (forall d. Data d => d -> m d) -> a -> m a)
    -> Data a
    forall u.
    Int -> (forall d. Data d => d -> u) -> CalendarDiffDays -> u
    forall u. (forall d. Data d => d -> u) -> CalendarDiffDays -> [u]
    forall r r'.
    (r -> r' -> r)
    -> r -> (forall d. Data d => d -> r') -> CalendarDiffDays -> r
    forall r r'.
    (r' -> r -> r)
    -> r -> (forall d. Data d => d -> r') -> CalendarDiffDays -> r
    forall (m :: * -> *).
    Monad m =>
    (forall d. Data d => d -> m d)
    -> CalendarDiffDays -> m CalendarDiffDays
    forall (m :: * -> *).
    MonadPlus m =>
    (forall d. Data d => d -> m d)
    -> CalendarDiffDays -> m CalendarDiffDays
    forall (c :: * -> *).
    (forall b r. Data b => c (b -> r) -> c r)
    -> (forall r. r -> c r) -> Constr -> c CalendarDiffDays
    forall (c :: * -> *).
    (forall d b. Data d => c (d -> b) -> d -> c b)
    -> (forall g. g -> c g) -> CalendarDiffDays -> c CalendarDiffDays
    forall (t :: * -> *) (c :: * -> *).
    Typeable t =>
    (forall d. Data d => c (t d)) -> Maybe (c CalendarDiffDays)
    forall (t :: * -> * -> *) (c :: * -> *).
    Typeable t =>
    (forall d e. (Data d, Data e) => c (t d e))
    -> Maybe (c CalendarDiffDays)
    gmapMo :: forall (m :: * -> *).
    MonadPlus m =>
    (forall d. Data d => d -> m d)
    -> CalendarDiffDays -> m CalendarDiffDays
    $cgmapMo :: forall (m :: * -> *).
    MonadPlus m =>
    (forall d. Data d => d -> m d)
    -> CalendarDiffDays -> m CalendarDiffDays
    gmapMp :: forall (m :: * -> *).
    MonadPlus m =>
    (forall d. Data d => d -> m d)
    -> CalendarDiffDays -> m CalendarDiffDays
    $cgmapMp :: forall (m :: * -> *).
    MonadPlus m =>
    (forall d. Data d => d -> m d)
    -> CalendarDiffDays -> m CalendarDiffDays
    gmapM :: forall (m :: * -> *).
    Monad m =>
    (forall d. Data d => d -> m d)
    -> CalendarDiffDays -> m CalendarDiffDays
    $cgmapM :: forall (m :: * -> *).
    Monad m =>
    (forall d. Data d => d -> m d)
    -> CalendarDiffDays -> m CalendarDiffDays
    gmapQi :: forall u.
    Int -> (forall d. Data d => d -> u) -> CalendarDiffDays -> u
    $cgmapQi :: forall u.
    Int -> (forall d. Data d => d -> u) -> CalendarDiffDays -> u
    gmapQ :: forall u. (forall d. Data d => d -> u) -> CalendarDiffDays -> [u]
    $cgmapQ :: forall u. (forall d. Data d => d -> u) -> CalendarDiffDays -> [u]
    gmapQr :: forall r r'.
    (r' -> r -> r)
    -> r -> (forall d. Data d => d -> r') -> CalendarDiffDays -> r
    $cgmapQr :: forall r r'.
    (r' -> r -> r)
    -> r -> (forall d. Data d => d -> r') -> CalendarDiffDays -> r
    gmapQl :: forall r r'.
    (r -> r' -> r)
    -> r -> (forall d. Data d => d -> r') -> CalendarDiffDays -> r
    $cgmapQl :: forall r r'.
    (r -> r' -> r)
    -> r -> (forall d. Data d => d -> r') -> CalendarDiffDays -> r
    gmapT :: (forall b. Data b => b -> b)
    -> CalendarDiffDays -> CalendarDiffDays
    $cgmapT :: (forall b. Data b => b -> b)
    -> CalendarDiffDays -> CalendarDiffDays
    dataCast2 :: forall (t :: * -> * -> *) (c :: * -> *).
    Typeable t =>
    (forall d e. (Data d, Data e) => c (t d e))
    -> Maybe (c CalendarDiffDays)
    $cdataCast2 :: forall (t :: * -> * -> *) (c :: * -> *).
    Typeable t =>
    (forall d e. (Data d, Data e) => c (t d e))
    -> Maybe (c CalendarDiffDays)
    dataCast1 :: forall (t :: * -> *) (c :: * -> *).
    Typeable t =>
    (forall d. Data d => c (t d)) -> Maybe (c CalendarDiffDays)
    $cdataCast1 :: forall (t :: * -> *) (c :: * -> *).
    Typeable t =>
    (forall d. Data d => c (t d)) -> Maybe (c CalendarDiffDays)
    dataTypeOf :: CalendarDiffDays -> DataType
    $cdataTypeOf :: CalendarDiffDays -> DataType
    toConstr :: CalendarDiffDays -> Constr
    $ctoConstr :: CalendarDiffDays -> Constr
    gunfold :: forall (c :: * -> *).
    (forall b r. Data b => c (b -> r) -> c r)
    -> (forall r. r -> c r) -> Constr -> c CalendarDiffDays
    $cgunfold :: forall (c :: * -> *).
    (forall b r. Data b => c (b -> r) -> c r)
    -> (forall r. r -> c r) -> Constr -> c CalendarDiffDays
    gfoldl :: forall (c :: * -> *).
    (forall d b. Data d => c (d -> b) -> d -> c b)
    -> (forall g. g -> c g) -> CalendarDiffDays -> c CalendarDiffDays
    $cgfoldl :: forall (c :: * -> *).
    (forall d b. Data d => c (d -> b) -> d -> c b)
    -> (forall g. g -> c g) -> CalendarDiffDays -> c CalendarDiffDays
    Data
    #if __GLASGOW_HASKELL__ >= 802
        -- ^ @since 1.9.2
    #endif
        ,Typeable
    #if __GLASGOW_HASKELL__ >= 802
        -- ^ @since 1.9.2
    #endif
        )

    #if MIN_VERSION_base(4,9,0)
    -- | Additive
    instance Semigroup CalendarDiffDays where
        CalendarDiffDays Integer
    m1 Integer
    d1 <> :: CalendarDiffDays -> CalendarDiffDays -> CalendarDiffDays
    <> CalendarDiffDays Integer
    m2 Integer
    d2 = Integer -> Integer -> CalendarDiffDays
    CalendarDiffDays (Integer
    m1 Integer -> Integer -> Integer
    forall a. Num a => a -> a -> a
    + Integer
    m2) (Integer
    d1 Integer -> Integer -> Integer
    forall a. Num a => a -> a -> a
    + Integer
    d2)
    #endif

    -- | Additive
    instance Monoid CalendarDiffDays where
        mempty :: CalendarDiffDays
    mempty = Integer -> Integer -> CalendarDiffDays
    CalendarDiffDays Integer
    0 Integer
    0
    #if MIN_VERSION_base(4,9,0)
        mappend :: CalendarDiffDays -> CalendarDiffDays -> CalendarDiffDays
    mappend = CalendarDiffDays -> CalendarDiffDays -> CalendarDiffDays
    forall a. Semigroup a => a -> a -> a
    (<>)
    #else
        mappend (CalendarDiffDays m1 d1) (CalendarDiffDays m2 d2) = CalendarDiffDays (m1 + m2) (d1 + d2)
    #endif

    instance Show CalendarDiffDays where
        show :: CalendarDiffDays -> String
    show (CalendarDiffDays Integer
    m Integer
    d) = String
    "P" String -> ShowS
    forall a. [a] -> [a] -> [a]
    ++ Integer -> String
    forall a. Show a => a -> String
    show Integer
    m String -> ShowS
    forall a. [a] -> [a] -> [a]
    ++ String
    "M" String -> ShowS
    forall a. [a] -> [a] -> [a]
    ++ Integer -> String
    forall a. Show a => a -> String
    show Integer
    d String -> ShowS
    forall a. [a] -> [a] -> [a]
    ++ String
    "D"

    calendarDay :: CalendarDiffDays
    calendarDay :: CalendarDiffDays
    calendarDay = Integer -> Integer -> CalendarDiffDays
    CalendarDiffDays Integer
    0 Integer
    1

    calendarWeek :: CalendarDiffDays
    calendarWeek :: CalendarDiffDays
    calendarWeek = Integer -> Integer -> CalendarDiffDays
    CalendarDiffDays Integer
    0 Integer
    7

    calendarMonth :: CalendarDiffDays
    calendarMonth :: CalendarDiffDays
    calendarMonth = Integer -> Integer -> CalendarDiffDays
    CalendarDiffDays Integer
    1 Integer
    0

    calendarYear :: CalendarDiffDays
    calendarYear :: CalendarDiffDays
    calendarYear = Integer -> Integer -> CalendarDiffDays
    CalendarDiffDays Integer
    12 Integer
    0

    -- | Scale by a factor. Note that @scaleCalendarDiffDays (-1)@ will not perfectly invert a duration, due to variable month lengths.
    scaleCalendarDiffDays :: Integer -> CalendarDiffDays -> CalendarDiffDays
    scaleCalendarDiffDays :: Integer -> CalendarDiffDays -> CalendarDiffDays
    scaleCalendarDiffDays Integer
    k (CalendarDiffDays Integer
    m Integer
    d) = Integer -> Integer -> CalendarDiffDays
    CalendarDiffDays (Integer
    k Integer -> Integer -> Integer
    forall a. Num a => a -> a -> a
    * Integer
    m) (Integer
    k Integer -> Integer -> Integer
    forall a. Num a => a -> a -> a
    * Integer
    d)