Re: feature/type-hierarchy 8a63e50036f 1/5: * Define 'cl--type-hierarchy' and compute 'cl--typeof-types' from it

[Stefan Monnier]

>> We do have types for them, but they're not built-in.
>> There's `cl--class`, `cl-structure-object`, `cl-structure-class`, and
>> some others I can't remember for EIEIO.
> Just to make sure we agree, what's the definition of built-in type?

It's a pragmatic definition: `cl--typeof-types` is there to deal with
those types which aren't properly described by a `cl--class` symbol property.


        Stefan