Re: User definable operators

fjh@murlibobo.cs.mu.OZ.AU (Fergus Henderson)
15 Dec 1996 16:14:13 -0500

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User definable operators wclodius@lanl.gov (William Clodius) (1996-12-14)
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Re: User definable operators mslamm@pluto.mscc.huji.ac.il (Ehud Lamm) (1996-12-15)
Re: User definable operators ddean@CS.Princeton.EDU (1996-12-15)
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Re: User definable operators burley@gnu.ai.mit.edu (Craig Burley) (1996-12-18)
[18 later articles]
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From: fjh@murlibobo.cs.mu.OZ.AU (Fergus Henderson)
Newsgroups: comp.compilers
Date: 15 Dec 1996 16:14:13 -0500
Organization: Comp Sci, University of Melbourne
References: 96-12-088
Keywords: design

William Clodius <wclodius@lanl.gov> writes:


>Many programming languages allow the user to overload of language
>defined operators. But a few languages also allow the user to define
>their own operators. I would like to have some feedback on the
>experience of others with user definable operators with respect to
>specifying their syntax, associativity, precedence, semantics (e.g.,
>side effects or not), etc.


I think the approach taken in Haskell works pretty well in practice.
It is also one that is very easy to implement.


For information on how it's done in Haskell, see the Haskell Report
<http://haskell.cs.yale.edu/haskell-report/haskell-report.html>.


--
Fergus Henderson <fjh@cs.mu.oz.au>
WWW: <http://www.cs.mu.oz.au/~fjh>
PGP: finger fjh@128.250.37.3
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