A different approach
Thomas Lord
(18 Jul 2005 17:45 UTC)
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Re: A different approach
felix winkelmann
(19 Jul 2005 08:19 UTC)
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Re: A different approach Jens Axel Søgaard (19 Jul 2005 08:29 UTC)
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Re: A different approach
felix winkelmann
(19 Jul 2005 08:39 UTC)
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Re: A different approach
Jens Axel Søgaard
(19 Jul 2005 08:46 UTC)
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Re: A different approach
felix winkelmann
(20 Jul 2005 07:25 UTC)
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Re: A different approach
Jens Axel Søgaard
(20 Jul 2005 10:07 UTC)
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Re: A different approach Jens Axel Søgaard 19 Jul 2005 08:26 UTC
felix winkelmann wrote: > On 7/18/05, Thomas Lord <xxxxxx@emf.net> wrote: >> >> It has never been great style in Scheme, even if strictly portable, to >>write programs which assume that string->symbol and symbol->string define a >>1:1 relationship between the two types. > > I'm probably missing something obvious, but this strikes me as quite > nonsensical. > Could you elaborate? The culprit is uninterned symbols: > (let ((foo 'foo)) (eq? (string->symbol (symbol->string foo)) foo)) #t >(let ((foo (string->uninterned-symbol "foo"))) (eq? (string->symbol (symbol->string foo)) foo)) #f -- Jens Axel Søgaard