Thanks!  But I still fail to see why the compiler and the interpreter
should behave differently.

- Ching Tsun

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   Date: 22 May 2002 01:03:59 +0200
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   Ching-Tsun Chou <ctchou@mipos2.intel.com> writes:

   [...]

   > let list_last = List.hd << List.rev

   [...]

   > val list_last : '_a list -> '_a = <fun>

   make it:


   let list_last l = (List.hd << List.rev) l

   val list_last : 'a list -> 'a


   that's monomorphism restriction:
   http://caml.inria.fr/FAQ/FAQ_EXPERT-eng.html#variables_de_types_faibles
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