-- |Description: Internal
module Exon.Data.Result where

-- |The combined segments, either empty or a value.
data Result a =
  Empty
  |
  Result a 
  deriving (Result a -> Result a -> Bool
(Result a -> Result a -> Bool)
-> (Result a -> Result a -> Bool) -> Eq (Result a)
forall a. Eq a => Result a -> Result a -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: Result a -> Result a -> Bool
$c/= :: forall a. Eq a => Result a -> Result a -> Bool
== :: Result a -> Result a -> Bool
$c== :: forall a. Eq a => Result a -> Result a -> Bool
Eq, Int -> Result a -> ShowS
[Result a] -> ShowS
Result a -> String
(Int -> Result a -> ShowS)
-> (Result a -> String) -> ([Result a] -> ShowS) -> Show (Result a)
forall a. Show a => Int -> Result a -> ShowS
forall a. Show a => [Result a] -> ShowS
forall a. Show a => Result a -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [Result a] -> ShowS
$cshowList :: forall a. Show a => [Result a] -> ShowS
show :: Result a -> String
$cshow :: forall a. Show a => Result a -> String
showsPrec :: Int -> Result a -> ShowS
$cshowsPrec :: forall a. Show a => Int -> Result a -> ShowS
Show, Result a -> Bool
(a -> m) -> Result a -> m
(a -> b -> b) -> b -> Result a -> b
(forall m. Monoid m => Result m -> m)
-> (forall m a. Monoid m => (a -> m) -> Result a -> m)
-> (forall m a. Monoid m => (a -> m) -> Result a -> m)
-> (forall a b. (a -> b -> b) -> b -> Result a -> b)
-> (forall a b. (a -> b -> b) -> b -> Result a -> b)
-> (forall b a. (b -> a -> b) -> b -> Result a -> b)
-> (forall b a. (b -> a -> b) -> b -> Result a -> b)
-> (forall a. (a -> a -> a) -> Result a -> a)
-> (forall a. (a -> a -> a) -> Result a -> a)
-> (forall a. Result a -> [a])
-> (forall a. Result a -> Bool)
-> (forall a. Result a -> Int)
-> (forall a. Eq a => a -> Result a -> Bool)
-> (forall a. Ord a => Result a -> a)
-> (forall a. Ord a => Result a -> a)
-> (forall a. Num a => Result a -> a)
-> (forall a. Num a => Result a -> a)
-> Foldable Result
forall a. Eq a => a -> Result a -> Bool
forall a. Num a => Result a -> a
forall a. Ord a => Result a -> a
forall m. Monoid m => Result m -> m
forall a. Result a -> Bool
forall a. Result a -> Int
forall a. Result a -> [a]
forall a. (a -> a -> a) -> Result a -> a
forall m a. Monoid m => (a -> m) -> Result a -> m
forall b a. (b -> a -> b) -> b -> Result a -> b
forall a b. (a -> b -> b) -> b -> Result a -> b
forall (t :: * -> *).
(forall m. Monoid m => t m -> m)
-> (forall m a. Monoid m => (a -> m) -> t a -> m)
-> (forall m a. Monoid m => (a -> m) -> t a -> m)
-> (forall a b. (a -> b -> b) -> b -> t a -> b)
-> (forall a b. (a -> b -> b) -> b -> t a -> b)
-> (forall b a. (b -> a -> b) -> b -> t a -> b)
-> (forall b a. (b -> a -> b) -> b -> t a -> b)
-> (forall a. (a -> a -> a) -> t a -> a)
-> (forall a. (a -> a -> a) -> t a -> a)
-> (forall a. t a -> [a])
-> (forall a. t a -> Bool)
-> (forall a. t a -> Int)
-> (forall a. Eq a => a -> t a -> Bool)
-> (forall a. Ord a => t a -> a)
-> (forall a. Ord a => t a -> a)
-> (forall a. Num a => t a -> a)
-> (forall a. Num a => t a -> a)
-> Foldable t
product :: Result a -> a
$cproduct :: forall a. Num a => Result a -> a
sum :: Result a -> a
$csum :: forall a. Num a => Result a -> a
minimum :: Result a -> a
$cminimum :: forall a. Ord a => Result a -> a
maximum :: Result a -> a
$cmaximum :: forall a. Ord a => Result a -> a
elem :: a -> Result a -> Bool
$celem :: forall a. Eq a => a -> Result a -> Bool
length :: Result a -> Int
$clength :: forall a. Result a -> Int
null :: Result a -> Bool
$cnull :: forall a. Result a -> Bool
toList :: Result a -> [a]
$ctoList :: forall a. Result a -> [a]
foldl1 :: (a -> a -> a) -> Result a -> a
$cfoldl1 :: forall a. (a -> a -> a) -> Result a -> a
foldr1 :: (a -> a -> a) -> Result a -> a
$cfoldr1 :: forall a. (a -> a -> a) -> Result a -> a
foldl' :: (b -> a -> b) -> b -> Result a -> b
$cfoldl' :: forall b a. (b -> a -> b) -> b -> Result a -> b
foldl :: (b -> a -> b) -> b -> Result a -> b
$cfoldl :: forall b a. (b -> a -> b) -> b -> Result a -> b
foldr' :: (a -> b -> b) -> b -> Result a -> b
$cfoldr' :: forall a b. (a -> b -> b) -> b -> Result a -> b
foldr :: (a -> b -> b) -> b -> Result a -> b
$cfoldr :: forall a b. (a -> b -> b) -> b -> Result a -> b
foldMap' :: (a -> m) -> Result a -> m
$cfoldMap' :: forall m a. Monoid m => (a -> m) -> Result a -> m
foldMap :: (a -> m) -> Result a -> m
$cfoldMap :: forall m a. Monoid m => (a -> m) -> Result a -> m
fold :: Result m -> m
$cfold :: forall m. Monoid m => Result m -> m
Foldable)

instance Semigroup a => Semigroup (Result a) where
  <> :: Result a -> Result a -> Result a
(<>) Result a
Empty Result a
a = Result a
a
  (<>) Result a
a Result a
Empty = Result a
a
  (<>) (Result a
l) (Result a
r) = a -> Result a
forall a. a -> Result a
Result (a
l a -> a -> a
forall a. Semigroup a => a -> a -> a
<> a
r)

instance Monoid a => Monoid (Result a) where
  mempty :: Result a
mempty =
    a -> Result a
forall a. a -> Result a
Result a
forall a. Monoid a => a
mempty