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[Caml-list] about Obj.magic
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Date: -- (:)
From: Christophe TROESTLER <debian00@t...>
Subject: Re: [Caml-list] about Obj.magic
On Fri, 31 May 2002, Jacques Garrigue <garrigue@kurims.kyoto-u.ac.jp> wrote:
> 
> From: "Warp" <warplayer@free.fr>
> 
> > > So, we should be very careful to use 'Obj.magic'. Can somebody tell me
> > > the appropriate situation to use this function?
> > 
> > One case can be 'almost-legal' : downcasting an object [...]
>
> By the way, here is a simple way to do downcasts, when really
> needed.  [...] No need to do anything unsafe.

Is there any safe way to check whether a "kind : ('a, 'b)
Bigarray.kind" parameter is "float64", "complex64",... or are we bound
to do

  kind  = (Obj.magic float64 : ('a, 'b) Bigarray.kind)

Cheers,
ChriS
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