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Re: bug#11198: prefab structs in guile
From: |
Andy Wingo |
Subject: |
Re: bug#11198: prefab structs in guile |
Date: |
Fri, 06 Jul 2012 00:03:09 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.1 (gnu/linux) |
On Thu 05 Jul 2012 23:55, address@hidden (Ludovic Courtès) writes:
> So I’d be in the ‘define-serializable-struct’ camp, so to speak.
That's a valid position to have in general. I can also imagine cases in
which you would choose other things. It's a spectrum.
> Prefabs raise an number of interesting issues. For instance, what’s the
> meaning of #s(sprout bean #f 17) in a module where ‘sprout’ is unbound?
Prefab structs are not modular. It is the same as in a module where
`sprout' is bound. Reading #s(sprout bean #f 17) may create an RTD if
needed, but it does not create any bindings.
> types are compared by name.
As the documentation clearly indicates :), prefab structs are indeed
compared by name, though in a combination with other characteristics
(number of fields, and more characteristics for racket).
Andy
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