Christophe TROESTLER [Friday 31 May 2002] :
 > 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)

I'm not sure if that's what you mean but in the CVS version, there are
new functions like Genarray.kind :

  external kind: ('a, 'b, 'c) t -> ('a, 'b) kind = "bigarray_kind"

  Olivier
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