A := U8 has [Eq, Hash]

A := a | a has Other has [Eq, Hash]

A := a | a has Other
     has [Eq, Hash]

A := U8 has [Eq {eq}, Hash {hash}]

A := U8 has [Eq {eq, eq1}]

A := U8 has [Eq {eq, eq1}, Hash]

A := U8 has [Hash, Eq {eq, eq1}]

A := U8 has []

A := a | a has Other
     has [Eq {eq}, Hash {hash}]

A := U8 has [Eq {}]

0