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From: Duncan Sands <baldrick@free.fr>
Newsgroups: comp.lang.ada
Subject: Re: How difficult is ada to learn?
Date: Thu, 30 Jun 2005 17:00:33 +0200
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Date: 2005-06-30T17:00:33+02:00

> > Most people who start with Borland Pascal miss the built-in set and
> > string data types. Ada gets the same effects with packages, but the
> > syntax is far less elegant and readable.
> 
> I haven't done any Pascal in a while, so I don't remember the syntax for 
> set manipulation, but Ada 2005 will have a set container type.  It's an 
> abstract data type, declared in a package in the normal way.  It 
> supports union, intersection, etc.

Don't forget that arrays of booleans automatically have "and", "xor" and "or"
defined (i.e. intersection, symmetric difference and union), so can be used for
sets.

All the best,

Duncan.