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Nested quasiquotes
(no sender)
(31 Aug 2020 09:43 UTC)
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Re: Nested quasiquotes
Panicz Maciej Godek
(31 Aug 2020 09:52 UTC)
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Re: Nested quasiquotes
(no sender)
(31 Aug 2020 10:00 UTC)
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Re: Nested quasiquotes
(no sender)
(01 Sep 2020 06:59 UTC)
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Re: Nested quasiquotes
Felix Thibault
(13 Sep 2020 12:57 UTC)
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Re: Nested quasiquotes (no sender) (13 Sep 2020 13:14 UTC)
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Re: Nested quasiquotes
Felix Thibault
(13 Sep 2020 13:27 UTC)
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Re: Nested quasiquotes
(no sender)
(13 Sep 2020 13:42 UTC)
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Re: Nested quasiquotes Marc Nieper-WiÃkirchen 13 Sep 2020 13:13 UTC
Am So., 13. Sept. 2020 um 14:57 Uhr schrieb Felix Thibault <xxxxxx@gmail.com>: > This is one area of Scheme I am still learning about. If the expression is ``,x I get matches from the patterns The expression ``,x evaluates to the datum (quasiquote (unquote x)). > (quote (quasi-quote (unquote x))) ['`,x] and This pattern asks for a literal match to (quasiquote (unquote x)), so it succeeds. > (quasi-quote (unquote (quasi-quote (unquote x)))) [`,`,x] If the quasiquote syntax of the pattern matcher works as the quasiquote special for of the RnRS (which isn't yet documented in SRFI 204), (quasiquote (unquote ...)) is equivalent to .... So your pattern is equivalent to the pattern variable (!) x, which, of course, matches the datum (quasiquote (unquote x)). Does this explanation help? (And were you actually looking for it?) Marc