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From: Rob Browning <rlb@defaultvalue.org>
Cc: Marius Vollmer <mvo@zagadka.ping.de>,
	tomas@fabula.de, guile-devel@gnu.org
Subject: Re: Smart variables, dumb variables
Date: Thu, 15 Aug 2002 09:44:31 -0500	[thread overview]
Message-ID: <87d6skfagg.fsf@raven.i.defaultvalue.org> (raw)
In-Reply-To: <20020815080643.GA8225@www> (rm@fabula.de's message of "Thu, 15 Aug 2002 10:06:43 +0200")

rm@fabula.de writes:

> oops, i forgot to mention goops. I was thinking of GOOPS generic 
> metods:
> |  
> |  (define-generic +)
> |  (define-method (+ (a <string>) (b <string>))
> |    (string-append a b))
> |  
> |  (+ 41 1)
> |  => 42
> |  
> |  (+ "Foo" "bar")
> |  => "Foobar"
> |  

[...]

> In the presence of a generic method system (i.e. function dispatch on
> the type signature of the arguments) this seems to be rather non-trivial

Though I believe some languages (Dylan?, and perhaps also RScheme),
allow you to declare some functions/methods as "sealed".  Doing so
means that it should be an error for them to change values, or
"specialized", and the compiler can perform agressive optimizations on
them in the relevant code regions.

-- 
Rob Browning
rlb @defaultvalue.org, @linuxdevel.com, and @debian.org
Previously @cs.utexas.edu
GPG=1C58 8B2C FB5E 3F64 EA5C  64AE 78FE E5FE F0CB A0AD


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  parent reply	other threads:[~2002-08-15 14:44 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-08-13 20:06 Smart variables, dumb variables Marius Vollmer
2002-08-14  8:07 ` tomas
2002-08-14 19:35   ` Marius Vollmer
2002-08-14 20:28     ` tomas
2002-08-14 20:48       ` Marius Vollmer
2002-08-14 21:06         ` rm
2002-08-14 21:09           ` Marius Vollmer
2002-08-15  8:06             ` rm
2002-08-15  8:01               ` Lynn Winebarger
2002-08-15  9:51                 ` rm
2002-08-15 14:44               ` Rob Browning [this message]
2002-08-15 16:34               ` Marius Vollmer
2002-08-15 17:27                 ` rm
2002-08-15 19:43                   ` Marius Vollmer
2002-08-15 20:02                     ` rm
2002-08-15 20:02                       ` Marius Vollmer
2002-08-15 20:25                         ` rm
2002-08-17 11:59                         ` Neil Jerram
2002-08-19 23:29                         ` Marius Vollmer
2002-08-20 12:01                           ` rm
2002-08-26 22:06                             ` Marius Vollmer
2002-08-15 10:52         ` tomas
2002-08-15 16:36           ` Marius Vollmer
2002-08-14 21:31 ` Rob Browning
2002-08-14 21:45   ` Marius Vollmer
2002-08-15  2:43 ` Rob Browning
2002-08-15  6:29   ` Marius Vollmer
2002-08-15 14:38     ` Rob Browning

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