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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Beginners question: Compound types, how-to?
Date: Tue, 02 Nov 2010 20:24:12 +0000
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Date: 2010-11-02T20:24:12+00:00
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"Yannick Duchêne (Hibou57)" <yannick_duchene@yahoo.fr> writes:

> Le Tue, 02 Nov 2010 20:02:25 +0100, Jeffrey Carter
> <spam.jrcarter.not@spam.not.acm.org> a écrit:
>
>> On 11/02/2010 01:17 AM, Stephen Leake wrote:
>>>
>>> _Type vs "waste time thinking up other names" is a religious
>>> argument (guess which side I'm on?); it has never been settled
>>> before, and won't be settled this time.
>>
>> Those who think the essential S/W-engineering activity of choosing
>> good names is a waste of time are clearly not S/W engineers.

> What is the choice of _Type (or _Xyz) if not a choice about names ? (a
> consistent choice by the way)

Consistent with what? You can't quote File_Type, Buffer_Type from the
ARM without explaining Integer, Float etc (I think these different
styles must have come from different authors).

I _think_ that Jeffrey's point is that, given weapons such as
broadsword, catapult, torpedo you might write C like

   typedef enum {BROADSWORD, CATAPULT, TORPEDO} Weapon;
   void attackUsing(Weapon weapon);

and rather than write this in Ada

   type Weapon_Type is (Broadsword, Catapult, Torpedo);
   procedure Attack_Using (Weapon : Weapon_Type);

it would be better to say

   type Weapon is (Broadsword, Catapult, Torpedo);
   procedure Attack (Using : Weapon);

Anyway, that's what my project style guide says.