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author | Jed Barber <jjbarber@y7mail.com> | 2014-04-08 15:06:40 +1000 |
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committer | Jed Barber <jjbarber@y7mail.com> | 2014-04-08 15:06:40 +1000 |
commit | 03d38eb3190eb5e51fb18847fe0792013285bde5 (patch) | |
tree | 1060d26d3042b5c0c5b1c027fac45fe87f3d685a /Library/Stack.hs | |
parent | f2c4e4614613ede497f19ef79dc7dc157eaca834 (diff) |
Reorganising source code
Diffstat (limited to 'Library/Stack.hs')
-rw-r--r-- | Library/Stack.hs | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/Library/Stack.hs b/Library/Stack.hs deleted file mode 100644 index 99cd8e1..0000000 --- a/Library/Stack.hs +++ /dev/null @@ -1,50 +0,0 @@ -module Library.Stack ( - Stack, - empty, - at, - pop, - (<:>), - size, - diff - ) where - - -import Data.List - - -data Stack a = Stack [a] deriving (Eq) - - -instance Show a => Show (Stack a) where - show (Stack x) = "Stack:\n" ++ intercalate "\n" (map (show) x) ++ "\n\n" - - -infixr 9 <:> - - -empty :: Stack a -empty = Stack [] - - -at :: Stack a -> Int -> Maybe a -at (Stack list) index = - if (index < length list && index >= 0) - then Just (list!!index) - else Nothing - - -pop :: Int -> Stack a -> Stack a -pop n (Stack list) = Stack (drop n list) - - -(<:>) :: a -> Stack a -> Stack a -x <:> (Stack list) = Stack (x : list) - - -size :: Stack a -> Int -size (Stack list) = length list - - -diff :: (Eq a) => Stack a -> Stack a -> Stack a -diff (Stack one) (Stack two) = Stack (one \\ two) - |