Sha256: 9628687ff609bc6f50905afe29b17ce2a04a13f0e4166e99c469764940c557d3
Contents?: true
Size: 577 Bytes
Versions: 52
Compression:
Stored size: 577 Bytes
Contents
module BankAccount
( BankAccount
, closeAccount
, getBalance
, incrementBalance
, openAccount
) where
data BankAccount = Dummy
closeAccount :: BankAccount -> IO ()
closeAccount = error "You need to implement this function."
getBalance :: BankAccount -> IO (Maybe Integer)
getBalance = error "You need to implement this function."
incrementBalance :: BankAccount -> Integer -> IO (Maybe Integer)
incrementBalance = error "You need to implement this function."
openAccount :: IO BankAccount
openAccount = error "You need to implement this function."
Version data entries
52 entries across 52 versions & 1 rubygems