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 swrinde!howland.reston.ans.net!pipex!sunic!news.uni-c.dk!nbivax.nbi.dk!meyer.fys.ku.dk!sparre
Newsgroups: comp.lang.ada
Subject: Increment operator (+=)
Message-ID: <1995Jan28.212345.2262@nbivax.nbi.dk>
From: sparre@meyer.fys.ku.dk (Jacob Sparre Andersen)
Date: 28 Jan 95 21:23:45 +0100
References: <3etund$hnr@miranda.gmrc.gecm.com>
 <3f4mbe$rud@cronkite.seas.gwu.edu>  <3g9nir$fpl@gnat.cs.nyu.edu>
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Date: 1995-01-28T21:23:45+01:00
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Robert Dewar (dewar@cs.nyu.edu) wrote the most recent article I have read 
in the thread about the operator "+=" in C.

In two still not mentioned languages (dialects) there are these solutions 
to the 'problem':

In COMAL (BASIC like) there are ":+" and ":-" incrementing and decrementing 
'assignments'.

    antal_sider:+1
    rest:-1

In Borland's Pascal dialect the system library contains these procedures:

    Inc(var SomeInteger : <integer type> ; Step : <integer type>) ;
    Dec(var SomeInteger : <integer type> ; Step : <integer type>) ;

I think the last solution is the right way to do it in Ada. But it's only 
really usefull, if any type with "+" and "-" operators can 'inherit' the 
procedures (I don't think that's how Ada 95 works).
The Borland way (tm :-) is just how we should code. No Ada 96 :-)

--

I like the idea about using local renames.

--

"add 1 to long-complex-name" - What a nice readable piece of code. What's 
wrong with this language? :-)

Regards,
                Jacob Sparre Andersen
--
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