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From: Shark8 <onewingedshark@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: Pondering what rationale behind record type
Date: Tue, 10 May 2011 19:28:16 -0700 (PDT)
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Date: 2011-05-10T19:28:16-07:00
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On May 10, 7:50=A0am, "Dmitry A. Kazakov" <mail...@dmitry-kazakov.de>
wrote:
>
> What is the reason to name statements?

Simple: to aid in readability.
I have a few rather deeply nested items where I'm tokenizing
PostScript
(due the rules of the language) and it is handy to have things like
-- Case C, When C '<' =3D>
Read_Character( C, Input );
HANDLE_LT: -- less than
if C =3D '<' then
 Return Dictionary_Type;
elsif C =3D '~' then
 Return String_Type;
else
 Unread_Character( C, Input );
 Return -- I forgot what the last case, just '<', was...
end if HANDLE_LT;

There's even a few in blocks where I handle things like
names ['identifiers'] vs. numbers; the PLRM defines a name
as a string of "regular characters which cannot be interpreted
as a string." This means that 23E4 is a number while 24F4 is
a name as are $4, 2i3, @, 2^4 and so forth.

It REALLY does help in sorting where you are in the decoding.