sdiehl/write-you-a-haskell
1
1
Fork 0
mirror of https://github.com/sdiehl/write-you-a-haskell.git synced 2024-08-16 07:00:36 +03:00
Code Issues Projects Releases Wiki Activity

Added Alternative constraint to inline code

Browse Source
This commit is contained in:
Sebastian Graf 2015-04-25 10:41:58 +02:00
parent 1e26e8fa23
commit 1e9b0fba91
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
002_parsers.md
View File

@ -105,14 +105,14 @@ itself if there is not at least a single match.
```haskell
-- | One or more.
some :: f a -> f [a]
some :: Alternative f => f a -> f [a]
some v = some_v
where
many_v = some_v <|> pure []
some_v = (:) <$> v <*> many_v
-- | Zero or more.
many :: f a -> f [a]
many :: Alternative f => f a -> f [a]
many v = many_v
where
many_v = some_v <|> pure []