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From: Maxime Devos <maximedevos@telenet.be>
To: guile-devel@gnu.org, guix-devel@gnu.org
Subject: Re: A lexical use-modules?
Date: Tue, 29 Mar 2022 16:59:06 +0200	[thread overview]
Message-ID: <d738ee71f7b75be896136398849a43fd5c295c90.camel@telenet.be> (raw)
In-Reply-To: <c316f1438a6647d4ced2e13b8fac97b5de3b7bcc.camel@telenet.be>

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Maxime Devos schreef op za 26-03-2022 om 20:21 [+0100]:
> (define-syntax use-module/lexical
>   ;; todo: integrate into (use-modules ...)?
>   (lambda (s)
>     (syntax-case s ()
>       ((_ foo)
>        (let* ((module-name (syntax->datum #'foo))
>               (interface (resolve-interface module-name)))
>          (define (binding->import name variable)
>            (define name-syntax (datum->syntax s name))
>            #`(define-syntax #,name-syntax (identifier-syntax (@ foo
> #,(datum->syntax #'irrelevant name)))))
>          #`(begin #,@(module-map binding->import interface)))))))

This probably does not interact perfectly with 'syntax-parameterize',
'bound-identifier=?'/'free-identifier=?' and 'syntax-local-binding',
though I guess it is good enough for most practical purposes.

Greetings,
MAxime.

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      parent reply	other threads:[~2022-03-29 15:01 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-26 19:21 A lexical use-modules? Maxime Devos
2022-03-29 13:20 ` Ludovic Courtès
2022-03-29 14:59 ` Maxime Devos [this message]

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