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From: Neil Jerram <neil@ossau.uklinux.net>
Cc: guile-devel@gnu.org
Subject: Re: New syntax: (: MODULE-NAME VARIABLE-NAME)
Date: 15 Nov 2003 19:22:06 +0000	[thread overview]
Message-ID: <m3llqhxwrl.fsf@laruns.ossau.uklinux.net> (raw)
In-Reply-To: <874qx5slpw.fsf@zagadka.ping.de>

>>>>> "Marius" == Marius Vollmer <mvo@zagadka.de> writes:

    Marius> Neil Jerram <neil@ossau.uklinux.net> writes:
    >> OK.  One other specification query: will `:' only work if the relevant
    >> binding is exported?

    Marius> Yes, I think that's more disciplined.

For most uses I agree, but what about debugging (or introspection)
code, where it might be useful to say things like

    (break! (: (ice-9 whatnot) internal-proc))

where internal-proc is not exported.  Obviously a `:'-like macro for
non-exported bindings could be implemented separately (I think it just
needs resolve-module instead of resolve-interface), but I wonder if
it's worth designing an interface now that neatly covers both
possibilities.

For example:
    (: MOD-NAME VAR-NAME)  -> look up from exported bindings only
    (: MOD-NAME VAR-NAME internal) -> look up from all bindings

Regards,
        Neil



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  reply	other threads:[~2003-11-15 19:22 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-13 18:12 New syntax: (: MODULE-NAME VARIABLE-NAME) Marius Vollmer
2003-11-13 19:47 ` Neil Jerram
2003-11-13 20:58   ` Marius Vollmer
2003-11-14 21:04     ` Neil Jerram
2003-11-15 15:19       ` Marius Vollmer
2003-11-15 19:22         ` Neil Jerram [this message]
2003-11-16 17:31           ` Marius Vollmer
2003-11-16 18:20             ` Neil Jerram
2003-11-16 18:38               ` Neil Jerram
2003-11-16 20:36                 ` Marius Vollmer
2003-11-17 20:18                   ` Neil Jerram
2003-11-17 21:34                     ` Marius Vollmer
2003-11-16 20:28               ` Marius Vollmer
2003-11-14 22:09 ` Mikael Djurfeldt
2003-11-15 15:10   ` Marius Vollmer
2003-11-17  2:00     ` Mikael Djurfeldt
2003-11-17 14:41       ` Marius Vollmer
2003-11-16  8:02 ` Dirk Herrmann
2003-11-17 14:44 ` New syntax (@ MODULE-NAME VARIABLE-NAME) committed Marius Vollmer

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