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From: Martin <martin.dowie@btopenworld.com>
Newsgroups: comp.lang.ada
Subject: Re: Suffix _T for types found good
Date: Tue, 19 Aug 2008 11:05:58 -0700 (PDT)
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On Aug 7, 6:04=A0pm, Ray Blaak <rAYbl...@STRIPCAPStelus.net> wrote:
> Colin Paul Gloster <Colin_Paul_Glos...@ACM.org> writes:
>
> > =A0index : anIndex;
> > =A0buffer : aBuffer;
>
> This is backwards to me:
>
> =A0 anIndex : Index;
> =A0 aBuffer : Buffer;
>
> E.g. the value is a specific instance vs the type is general. The names s=
hould
> reflect that.
>
> --
> Cheers, =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0The Rhythm is around me,
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0The Rhythm has control.
> Ray Blaak =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0The Rhythm is inside me,
> rAYbl...@STRIPCAPStelus.net =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0The Rh=
ythm has my soul.

Ah, but "a" (or "an_") are 'indefinite articles' in English (which
this is obviously trying to replicate), i.e. they don't specify any
particular instance. A variable does specify a particulary instance,
so using "a_"/"an_" for them is wrong. "better names" are what are
always called for :-)

The_Buffer : A_Buffer;
The_Index  : An_Index;

or

My_Buffer : A_Buffer;

or

User_Input_Buffer : A_Buffer;

etc

I've used (and mandated) the "A_"/"An_" prefixes on a few projects and
it does work quite well and read fine.

I'll put my hand up and admit I _hate_ the noise of "_Type" - it
really ought to be clear and unambiguous from language rules but
isn't. :-(

Cheers
-- Martin