Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!tut.cis.ohio-state.edu!ucbvax!agate!saturn!sidney
From: sidney@saturn.ucsc.edu (Sidney Markowitz )
Newsgroups: comp.lang.c
Subject: N-ary < operator (was What I'd really like to see in an if-statement...)
Message-ID: <8646@saturn.ucsc.edu>
Date: 6 Aug 89 23:45:20 GMT
References: <5024@alvin.mcnc.org> <1300@atanasoff.cs.iastate.edu> <456@helios.prosys.se> <14521@bfmny0.UUCP> <1864@salgado.Solbourne.COM>
Reply-To: sidney@saturn.ucsc.edu (Sidney Markowitz )
Organization: University of California, Santa Cruz
Lines: 11

Common LISP also has an n-ary < operator. Since everything is in
prefix notation in parentheses, it makes it pretty simple to express:
   a < b     is   (< a b)
   a < b < c is   (< a b c)
And it generalizes for any number of operands.

It should be a simple matter of incorporating this kind of generalized
relational operator in some future version of C, simply by switching
from infix to reverse Polish notation. (That's a :-), no flames, please!)

-- sidney markowitz <internet: sidney@saturn.ucsc.edu or sidney@ai.mit.edu>