validate-input
Input validation combinator library
https://github.com/agrafix/validate-input
| Version on this page: | 0.3.0.0 |
| LTS Haskell 22.21: | 0.5.0.0 |
| Stackage Nightly 2024-05-06: | 0.5.0.0 |
| Latest on Hackage: | 0.5.0.0 |
This version can be pinned in stack with:
validate-input-0.3.0.0@sha256:a65f0810a869872ce86be4202f1c85ff4aca2f1f82f4d22be25dc9cbed24b66a,1740Module documentation for 0.3.0.0
- Data
Depends on 7 packages(full list with versions):
validate-input
Intro
Hackage: validate-input Stackage: validate-input
Input validation combinator library
Library Usage Example
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE QuasiQuotes #-}
import Data.Validator
import qualified Data.Text as T
data Example
= Example
{ ex_username :: T.Text
, ex_dogs :: Int
} deriving (Show)
main :: IO ()
main =
do putStrLn "Check results:"
print example
checkUsername :: Monad m => ValidationRuleT String m T.Text
checkUsername =
lengthBetween 3 12 "Should between 3 and 12 chars"
>=> matchesRegex [re|^[A-za-z0-9]+$|] "only alpha num"
checkNumber :: Monad m => ValidationRuleT String m Int
checkNumber =
smallerThan 5 "No more than 5 dogs allowed"
checkExample :: Monad m => ValidationRuleT String m Example
checkExample e =
Example <$> checkUsername (ex_username e)
<*> checkNumber (ex_dogs e)
example :: Either String Example
example =
runValidator checkExample $
Example
{ ex_username = "alex"
, ex_dogs = 23
}
Install
- Using cabal:
cabal install validate-input - Using Stack:
stack install validate-input - From Source (cabal):
git clone https://github.com/agrafix/validate-input.git && cd validate-input && cabal install - From Source (stack):
git clone https://github.com/agrafix/validate-input.git && cd validate-input && stack build
Misc
Supported GHC Versions
- 7.8.4
- 7.10.2
License
Released under the MIT license. (c) 2015 Alexander Thiemann