BSD-3-Clause licensed by Daniel YU
Maintained by leptonyu@gmail.com

Module documentation for 0.0.3

This version can be pinned in stack with:menshen-0.0.3@sha256:886899140d49ee64cd66fe8f696509f78034159a76af98db29745d503020b243,1415

menshen

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{-# LANGUAGE RecordWildCards #-}
module Main where
import Data.Menshen
data Body = Body
  { name :: String
  , age  :: Int
  } deriving Show

verifyBody :: Validator Body
verifyBody = vcvt $ Body{..} -> Body
  <$> name ?: mark "name" . pattern "^[a-z]{3,6}$"
  <*> age  ?: mark "age"  . minInt 1 . maxInt 150

makeBody :: String -> Int -> Either String Body
makeBody name age = Body{..} ?: verifyBody

main = do
  print $ makeBody "daniel" 15


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