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From: bam@snoopy.apana.org.au (Brian May)
Newsgroups: comp.lang.ada
Subject: Re: FAQ and string functions
Date: 1 Aug 2002 17:21:55 -0700
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dennison@telepath.com (Ted Dennison) wrote in message news:<4519e058.0208010809.6a4c5e22@posting.google.com>...
> 
> The analogous routine is Ada.Strings.*.Find_Token (where * is your
> choice of "Fixed", "Bounded", or "Unbounded").

I haven't been able to find any documentation on how to use these
functions...

(except the function declaration).

Also something else I have been trying to work out, is how to replace,
say all instances of "/" in a string with, say "__".

There is a replace function for the strings, I am a bit doubtful
though if
you can use it to expand the size of a fixed string...

So I have a number of ideas of the best way, I am not really sure
which
is the most efficient though.

> I'm not a big fan of these kinds of renames. Why not instead just
> write:
> 
> Put_Line (Class_Name (Package_ID, Get_Attribute (Value (I), "ref")) &
>           "($1,$2,$3)");

Because if I need to use it multiple times, I think that means it will
have to call get_attribute multiple times, won't it?

Besides, I don't think the above makes it very clear what the
significance
is of the results of each function call.

> I think that's much easier to read than your 4 line (semicolon)
> declare block.
> 
> If you insist in splitting it up, turn those renames into constants.
> I'd still skip the "My_Node" one, unless you are going to use it in
> more than one place.

Are constants better then renames? If so, why?