Is your feature request related to a problem or challenge? Please describe what you are trying to do.

arrow-ord currently provides methods of the form

• lt_eq_dyn_bool_scalar
• lt_eq_dyn
• lt_eq_dyn_ut8_scalar

This is extremely verbose and hard to use

Describe the solution you'd like

I would like kernels defined in terms of the new Datum abstraction

Describe alternatives you've considered

Additional context