Re: type checking for arbitrary lisp objects

[Stefan Monnier]

> I begin to understand how this is supposed to work.  Is it also
> possible to define more complex types recursively, similar to `list'
> and `repeat' used by defcustom's :type keyword?  My complete
> knowledge about these cl functions is based on their info page,
> which is somewhat brief.

If you do a search for "clhs deftype" on your favorite search engine
you should find the Common Lisp doc for that macro.  The cl-lib version
may not be 100% faithful, but it's usually pretty close,


        Stefan