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From: =?utf-8?Q?Yannick_Duch=C3=AAne_=28Hibou57?=
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Newsgroups: comp.lang.ada
Subject: Re: Convention for naming of anything
Date: Sat, 18 Feb 2012 14:02:48 +0100
Organization: Ada @ Home
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Date: 2012-02-18T14:02:48+01:00
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Le Sat, 18 Feb 2012 12:32:40 +0100, Georg Bauhaus  =

<rm.dash-bauhaus@futureapps.de> a =C3=A9crit:

> On 16.02.12 18:44, Yannick Duch=C3=AAne (Hibou57) wrote:
>> Le Thu, 09 Feb 2012 22:10:12 +0100, Yannick Duch=C3=AAne (Hibou57)  =

>> <yannick_duchene@yahoo.fr> a =C3=A9crit:
>>
>>> Hi people out there,
>>
>> With functional representation in mind, when an object X' is a value =
 =

>> derived from an object X in a recursive algorithm, which way do you  =

>> name both X and X', as the Prime symbol is not allowed in Ada names?
>>
>> * X1 and X2 ?
>> * X_1 and X_2 ?
>> * X and X2 ?
>> * X and X_2 ?
>> * X and X_Prime ?
>> * X and New_X ?
>> * X and Derived_X ?
>
> XX for x', XS for lists.

XS seems Okay for lists, while it may conflict with package names if you=
  =

use plural for these too.

XX seems Okay for X', except when X is a longer name.

> If both a letter with prime and a letter with plural s occur
> in the same function, I'd choose a different prefix letter
> for either.

Right, but then, there is typically something like Head and Tail in the =
 =

place, which does not use the plural. So this does not may not necessari=
ly  =

be an issue.


-- =

=E2=80=9CSyntactic sugar causes cancer of the semi-colons.=E2=80=9D [1]
=E2=80=9CStructured Programming supports the law of the excluded muddle.=
=E2=80=9D [1]
[1]: Epigrams on Programming =E2=80=94 Alan J. =E2=80=94 P. Yale Univers=
ity