Kevin Ryde <[EMAIL PROTECTED]> writes:
> [EMAIL PROTECTED] (Ludovic Courtès) writes:
>>
>> guile> (define x 'a-symbol)
>> guile> (set-source-properties! x '((a . 2)))
>> ((a . 2))
>> guile> (source-properties x)
>> ((a . 2))
>
> A symbol used in two places is the same object, so file/line attached
> by both occurrances will overwrite, or whatever. Ditto other uniques
> like keywords, and immediates like fixnums and chars.
Indeed. What was your motivation for wanting to attach source
properties to non-pairs, though?
Neil
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