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From: nickerson@mirage.vms.boeing.com ()
Subject: Re: Ada as 2nd Lang, p. 678
Date: 1997/05/09
Message-ID: <E9x98v.BuE@news.boeing.com>#1/1
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References: <5k92el$bs9@ultranews.duc.auburn.edu> <dewar.862575815@merv>
Organization: Boeing Defense & Space Group / Software Systems
Reply-To: nickerson@mirage.vms.boeing.com ()
Newsgroups: comp.lang.ada
Date: 1997-05-09T00:00:00+00:00
List-Id: <comp.lang.ada>



In article <dewar.862575815@merv>, dewar@merv.cs.nyu.edu (Robert Dewar) 
writes:

|>The message seems clear enough "file can have only one compilation unit",
|>means that a single file can contain only one compilation unit, and the
|>file you submitted contains two. The Ada standard says nothing about files,
|>or how sources are arranged into files, so this is a place that Ada compilers
|>may differ (some Ada compilers do allow multiple units in a single file).
|>
|>Actually it is generally a bad idea to do what you did -- put the spec and
|>the body in the same unit, because that causes an unnecessary connection
|>between the two. The whole idea in Ada is to separate the spec and the
|>body, so putting them in separate files is recommended in any case.

it may "generally" be a bad idea, but "specifically" when one is 
trying something out or has existing code it is the "reasonable" 
thing to try; I quite identify with John - myself having used a 
compiler which did the "expected" thing and allowed multiple units 
per file;

--bn (Bart Nickerson)
nickerson@mirage.vms.boeing.com
(206) 662-0183