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Re: *current-language*
From: |
Ludovic Courtès |
Subject: |
Re: *current-language* |
Date: |
Sat, 07 Jan 2012 23:41:32 +0100 |
User-agent: |
Gnus/5.110018 (No Gnus v0.18) Emacs/24.0.90 (gnu/linux) |
Hi,
Andy Wingo <address@hidden> skribis:
> Guile's REPL does do that, yes. I think that Noah's proposal was to pun
> the ,language command so that in a file, instead of
>
> #!lang r5rs
> (eval '(+ 1 2) (scheme-report-environment 5))
>
> you could have
>
> ,language r5rs
> (eval '(+ 1 2) (scheme-report-environment 5))
>
> Cute. I guess it would work if we changed the reader, for the same
> reason that it works at the REPL.
Then I think (1) the hash form is preferable over the comma form for the
reason you gave, and (2) we should have an “meta-reader” stacked on top
of ‘read’ that takes precedence over ‘read’ when a hash form is seen, as
Eli noted.
Thanks,
Ludo’.