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Re: [Scheme-reports] ANN: first draft of R7RS small language available
- To: scheme-reports@x
- Subject: Re: [Scheme-reports] ANN: first draft of R7RS small language available
- From: "Aaron W. Hsu" <arcfide@x>
- Date: Sat, 16 Apr 2011 07:57:24 -0400
- In-reply-to: <BANLkTi=kSqWZpF-fAPObreiuAf9FxPb85w@mail.gmail.com>
- Organization: Indiana University
- References: <BANLkTi=hSfKrHo13BUMP==SNPCX-+As0HQ@mail.gmail.com> <BANLkTi=kSqWZpF-fAPObreiuAf9FxPb85w@mail.gmail.com>
On Sat, 16 Apr 2011 04:53:26 -0400, OKUMURA Yuki <mjt@x> wrote:
> Source expansion/evaluation is same for? For example:
> #0=(define a . #0#)
> should be treated as a syntax error? or R7RS allows implementation can
> took infinite time for expand this
> form?
Are you asking whether expansion should be terminating? I do not believe
any standard after or including R5RS had terminating expansion semantics,
since macros may recur forever.
Aaron W. Hsu
--
Programming is just another word for the lost art of thinking.
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