From: dblack@... Date: 2002-11-27T21:58:15+09:00 Subject: Re: set operation Hi -- On Wed, 27 Nov 2002, Gavin Sinclair wrote: > From: > > > > Hi, > > > > At Wed, 27 Nov 2002 20:18:15 +0900, > > Tim Bates wrote: > > > > if ([string] & array_of_strings).length!=0 then.... > > > > > > I don't know what 'in' is used for, but another way to do this might be > > > if [array_of_strings].index(myString) then... > > > > Or: > > > > array_of_strings.include?(myString) > > > > I've often thought that Array#=== should do the same thing as Array#include? > It seems wasted to be the same as ==. Don't forget that === is the case equality operator, so that would mean that case statements involving arrays were testing for element inclusion instead of array equivalence. David -- David Alan Black home: dblack@candle.superlink.net work: blackdav@shu.edu Web: http://pirate.shu.edu/~blackdav