-- |
-- Definitions of strict Deque.
--
-- The typical `toList` and `fromList` conversions are provided by means of
-- the `Foldable` and `IsList` instances.
module Deque.Strict
  ( StrictDefs.Deque,
    fromLazy,
    toLazy,
    StrictDefs.fromConsAndSnocLists,
    StrictDefs.cons,
    StrictDefs.snoc,
    StrictDefs.reverse,
    StrictDefs.shiftLeft,
    StrictDefs.shiftRight,
    StrictDefs.filter,
    StrictDefs.take,
    StrictDefs.drop,
    StrictDefs.takeWhile,
    StrictDefs.dropWhile,
    StrictDefs.span,
    StrictDefs.uncons,
    StrictDefs.unsnoc,
    StrictDefs.null,
    StrictDefs.head,
    StrictDefs.last,
    StrictDefs.tail,
    StrictDefs.init,
  )
where

import qualified Deque.Lazy.Defs as LazyDefs
import Deque.Prelude
import qualified Deque.Strict.Defs as StrictDefs

-- | Convert lazy deque to strict deque.
fromLazy :: LazyDefs.Deque a -> StrictDefs.Deque a
fromLazy (LazyDefs.Deque consList snocList) = StrictDefs.Deque (fromList consList) (fromList snocList)

-- | Convert strict deque to lazy deque.
toLazy :: StrictDefs.Deque a -> LazyDefs.Deque a
toLazy (StrictDefs.Deque consList snocList) = LazyDefs.Deque (toList consList) (toList snocList)