[slime-devel] Re: the slime inspector

[Pascal J.Bourguignon]

Peter Seibel writes:
> > - figure out how to distinguish between a defvar/defparameter and
> >   defcontstant symbol.

This should be implementation dependant.
 
> How about CONSTANTP?

CONSTANTP does not do what you think!

[22]> (defvar x 1)
X
[23]> (defvar c 1)
C
[24]> (constantp c)
T
[25]> (constantp c)
T
[26]> (constantp 'x)
T
[27]> (constantp 'x)
NIL
[28]> (constantp 'c)
NIL
[29]> (constantp #(1 2 3))
T
[30]> (constantp '(1 2 3))
NIL
[31]> (constantp (list 1 2 3))
NIL

CONSTANTP could be useful when writting a macro or a compiler macro,
but that's about all.

-- 
__Pascal Bourguignon__                     http://www.informatimago.com/

Our enemies are innovative and resourceful, and so are we. They never
stop thinking about new ways to harm our country and our people, and
neither do we.