Re: 31395511: "Don’t attempt to modify constant strings"

[Pip Cet]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> To be honest, I'd prefer a mutablep predicate, with a strong warning not
>> to use it in the way that was suggested:
>>
>> (if (mutablep object)
>>     (do-something object)
>>   (do-something (copy object)))
>
> Aka  (do-something (if (mutablep object) object (copy object)))

All the more reason to avoid my bad-example code!