The type specifier (FUNCTION (STRING) BOOLEAN) cannot be used for discrimination.

Question

The type specifier (FUNCTION (STRING) BOOLEAN) cannot be used for discrimination.

Closed this issue 5 years ago · 4 comments

**++++ Error in (LISPWORKS:TOP-LEVEL-FORM 7):
The type specifier (FUNCTION (STRING) BOOLEAN) cannot be used for discrimination.

top level form 7 is
(define-tag-dispatcher (process xml-tags html-tags) (name)
(and (<= 1 (length name))
(char= (aref name 0) #?)))
in processing.lisp
(using LispWorks 6.0.1)

Answer 1 · 2019-10-02T16:06:28.000Z

Cannot reproduce the issue on LispWorks 7.

Answer 2 · 2019-11-24T21:14:43.000Z

I reported this error to LW support and they patched it in Lispworks 7.1 or so

Answer 3 · 2019-11-24T21:15:18.000Z

Cool, thanks!

Answer 4 · 2019-11-24T21:19:06.000Z

For reference, it's in 7.1.2 as documented here (Lisp Support Call #41557):

http://ftp.lispworks.com/pub/software_tools/downloads/patches/lw71/readme-712.txt