Ticket #133 (new defect)
Opened 16 years ago
Use of {{{set-cdr!}}}
| Reported by: | untyped | Owned by: | jim |
|---|---|---|---|
| Priority: | major | Milestone: | |
| Component: | jim/webit.plt | Keywords: | cons, immutable, set-car!, set-cdr! |
| Cc: | Version: | ||
| Racket Version: | 4.1.2.2 |
Description
Hi Jim,
Webit! uses set-cdr!, which is no longer possible in PLT 4 now cons cells are immutable by default. I believe you have the option of switching over to mutable cons cells or removing all mutation. More information here:
http://blog.plt-scheme.org/2007/11/getting-rid-of-set-car-and-set-cdr.html
Many thanks,
-- Dave Gurnell
www.untyped.com
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