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devel / comp.lang.scheme / Re: How to compare r6rs-standard & ansi-common-lisp

SubjectAuthor
* Re: How to compare r6rs-standard & ansi-common-lispAlain De Vos
+- Re: How to compare r6rs-standard & ansi-common-lispMaciek Godek
`* Re: How to compare r6rs-standard & ansi-common-lispceving
 `- Re: How to compare r6rs-standard & ansi-common-lispMarc Nieper-Wißkirchen

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Re: How to compare r6rs-standard & ansi-common-lisp

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Subject: Re: How to compare r6rs-standard & ansi-common-lisp
From: devosalain71@gmail.com (Alain De Vos)
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 by: Alain De Vos - Thu, 5 Oct 2023 19:01 UTC

On Thursday, October 5, 2023 at 8:36:40 PM UTC+2, Alain De Vos wrote:
> What are the strengths , weaknesses ?
There is is r5rs r6rs r7rs-small r7rsbig & ansi-common-lisp.
But how to compare, what is best choice for my project ?

Re: How to compare r6rs-standard & ansi-common-lisp

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Subject: Re: How to compare r6rs-standard & ansi-common-lisp
From: godek.maciek@gmail.com (Maciek Godek)
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 by: Maciek Godek - Thu, 5 Oct 2023 19:58 UTC

czwartek, 5 października 2023 o 21:01:19 UTC+2 Alain De Vos napisał(a):
> On Thursday, October 5, 2023 at 8:36:40 PM UTC+2, Alain De Vos wrote:
> > What are the strengths , weaknesses ?
> There is is r5rs r6rs r7rs-small r7rsbig & ansi-common-lisp.
> But how to compare, what is best choice for my project ?

What's your project?

Re: How to compare r6rs-standard & ansi-common-lisp

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Subject: Re: How to compare r6rs-standard & ansi-common-lisp
From: ceving@gmail.com (ceving)
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 by: ceving - Mon, 30 Oct 2023 13:20 UTC

Alain De Vos schrieb am Freitag, 6. Oktober 2023 um 14:11:56 UTC+2:
> I find the availability of good books also important.
> On R6RS there is a good book called : "The Scheme Progamming Language. R.Kent Dybvig" describing "Chez"
Chez is a bit of an island. It has no cond-expand.

https://github.com/cisco/ChezScheme/issues/91

This makes it difficult to use SRFIs.

https://srfi.schemers.org/

But Chez is a good reference and very stable. It is my default Scheme in Emacs.

Re: How to compare r6rs-standard & ansi-common-lisp

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Subject: Re: How to compare r6rs-standard & ansi-common-lisp
From: marc.nieper@gmail.com (Marc Nieper-Wißkirchen)
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 by: Marc Nieper-Wißkirc - Mon, 30 Oct 2023 14:02 UTC

Am Mo., 30. Okt. 2023 um 14:20 Uhr schrieb ceving <ceving@gmail.com>:

Alain De Vos schrieb am Freitag, 6. Oktober 2023 um 14:11:56 UTC+2:
> I find the availability of good books also important.
> On R6RS there is a good book called : "The Scheme Progamming Language.. R.Kent Dybvig" describing "Chez"

Chez is a bit of an island. It has no cond-expand.

If you really need `cond-expand' which is doubtful is most cases (see Göran's Weinholt very insightful blog post https://weinholt.se/articles/cond-expand-and-ifdef/), you can define it yourself in Chez's top-level or ask your build system (where the correct place for `cond-expand' is in any case) to handle this (see Akku, for example).

Characterizing Chez as an island is a bit funny; Chez is one of very few implementations that makes it easy to write standard-compliant code and that accepts all standard-compliant code.

https://github.com/cisco/ChezScheme/issues/91

This makes it difficult to use SRFIs.

What do you mean?

https://srfi.schemers.org/

But Chez is a good reference and very stable. It is my default Scheme in Emacs.

Chez is one of the (if not the one) most standard-compliant Schemes (R6RS in its case), one of the most intensively tested, one of the best documented and one of the most stable and one of the (if not the) most performant Schemes. If you choose Chez, you rarely make a mistake.

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