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From: Charles Rose <rose@hazeltine.com>
Subject: Re: for-loop parameters
Date: 1997/09/25
Message-ID: <342A69C0.474C@hazeltine.com>#1/1
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References: <Pine.GSO.3.96.970924130910.6333B-100000@nova.umuc.edu>
 <EH0yCt.43p.0.-s@inmet.camb.inmet.com>
Reply-To: rose@hazeltine.com
Organization: GEC-Marconi Hazeltine
Newsgroups: comp.lang.ada
Date: 1997-09-25T00:00:00+00:00
List-Id: <comp.lang.ada>


Tucker Taft gave many examples of for loop parameters but left out

     for I in My_Subtype loop

which uses a loop index that ranges over all values of My_Subtype,
and is equivalent to

     for I in My_Subtype range My_Subtype'first..My_Subtype'last loop

When the loop index is an array index, I prefer to cite
the array object instead of the array index subtype, as in

>     for J in An_Array'Range loop  -- uses index subtype of An_Array

These two forms do not explicitly state the limits of the loop, but
rather infer them.  I use these forms whenever I can.