From: Eijiro Sumii <sumii@saul.cis.upenn.edu>
To: caml-list@inria.fr
Cc: sumii@saul.cis.upenn.edu
Subject: polymorphic equality and overloading
Date: Thu, 29 Jun 2000 17:10:01 -0400 [thread overview]
Message-ID: <20000629171001Q.sumii@saul.cis.upenn.edu> (raw)
Dear Caml Developers/Users,
(sorry that I don't know French)
This might be an FAQ, but could someone please give a rationale to the
polymorphic (in)equalities such as = and < in Caml? While they have a
parametric polymorphic type 'a -> 'a -> bool, their semantics is ad
hoc rather than parametric with respect to the type 'a (for example,
they are undefined for functions), which I found confusing to some
users---at least, a friend of mine was confused, and chose Haskell
(which has type classes) over Caml!
// Eijiro Sumii <sumii@saul.cis.upenn.edu>
//
// currently visiting: Department of Computer and Information Science,
// School of Engineering and Applied Science, University of Pennsylvania
next reply other threads:[~2000-06-30 15:30 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-06-29 21:10 Eijiro Sumii [this message]
2000-06-30 17:08 ` Brian Rogoff
2000-06-30 17:51 ` Eijiro Sumii
2000-07-04 7:09 ` Jacques Garrigue
2000-07-04 12:42 ` Eijiro Sumii
2000-07-05 1:11 ` Jacques Garrigue
2000-07-05 2:37 ` Eijiro Sumii
2000-07-05 21:22 ` Pierre Weis
2000-07-05 21:30 ` Eijiro Sumii
2000-07-05 22:15 ` Pierre Weis
2000-07-05 23:09 ` Eijiro Sumii
2000-07-06 17:18 ` Benjamin Werner
2000-07-05 22:40 John R Harrison
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