Data.CQRS.GUID

Globally Unique IDentifiers.

Documentation

data GUID a

A GUID for values of type a.

Instances

Typeable1 GUID

Eq (GUID a)

Show (GUID a)

ToSQLData (GUID a)

fromByteString :: ByteString -> GUID a

Convert ByteString to GUID.

newGUID :: IO (GUID a)

Create a new random GUID. TODO: We should perhaps be using a cryptographically secury random generator for this.

nil :: GUID a

The nil GUID. This is used for the root aggregate root which all other aggregate roots can be reached from.

toByteString :: GUID a -> ByteString

Convert GUID to ByteString.