Network.Iron.Util

Miscellaneous shortcut functions, mostly for internal use.

Base64

b64 :: ByteArrayAccess a => a -> ByteString

Shorthand for encode in Base64.

b64dec :: ByteArrayAccess a => a -> Either String ByteString

b64url :: ByteArrayAccess a => a -> ByteString

b64urldec :: ByteString -> Either String ByteString

b16 :: ByteString -> ByteString

Shorthand for hex encode

Time parsing

parseExpMsec :: ByteString -> Maybe NominalDiffTime

Reads a positive integer time value in milliseconds. This is for parsing ttls or expiry times written as milliseconds since the unix epoch.

Error handling

justRight :: e -> Maybe a -> Either e a

Converts Maybe to Either.

rightJust :: Either e a -> Maybe a

Converts Either to Maybe.