SBCL

  1. Bug #539540
  2. Comment #2

Comment 2 for bug 539540

Revision history for this message
Christophe Rhodes (csr21-cantab) wrote : Re: [Bug 539540] Re: DEFCLASS slot names and symbol macros

Roman Marynchak <email address hidden> writes:

> The workaround idea is to check only for T and NIL, and allow other
> constants to be used as slots names.

I don't like this idea at all. What's special about T and NIL?

> The question now is: should we prefer a failure within DEFCLASS or a
> failure within WITH-SLOTS, when a slot name is also a constant's name?

Within DEFCLASS: prefer reporting undefined code early if possible.

Why is the right answer not to replace
  (constantp name env)
with
  (eq (info :variable :kind name) :constant)
?

Christophe