def unpack_mix(discrete: Multipoint,
linear: Linear,
shaped: Maybe[Shaped],
context: Context
) -> Union[Empty, Linear, Mix, Multipoint, Shaped]:
empty = context.empty
return ((shaped
if linear is empty
else (linear
if shaped is empty
else context.mix_cls(discrete, linear, shaped)))
if discrete is empty
else (discrete
if shaped is empty and linear is empty
else context.mix_cls(discrete, linear, shaped)))
def unpack_linear_mix(discrete: Maybe[Multipoint],
linear: Maybe[Linear],
context: Context
) -> Union[Empty, Mix, Multipoint, Linear]:
return (linear
if discrete is context.empty
else (discrete
if linear is context.empty
else context.mix_cls(discrete, linear, context.empty)))
