From: "Bráulio Bhavamitra" <brauliobo@...>
Date: 2013-07-19T06:34:41+09:00
Subject: Re: class <=> module

--001a11c373602c9f5704e1cffa1d
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

On Thu, Jul 18, 2013 at 11:02 AM, Br=C3=A1ulio Bhavamitra <braulio@eita.org=
.br>wrote:

> Hello all,
>
> Recently I got the error described at
> https://www.ruby-forum.com/topic/1506818,
> which shows that classes can't be used to scope another classes or module=
s.
>
> Then I started thinking: why two concepts, class and module, instead of
> only one?
>
> Classes heritage, a feature modules don't have, can be done with include
> and extend togheter. So we would need another method that does both inclu=
de
> and extend (call it inherit). Classes can't be used to define a scope.
> Modules can't be instanciated, but classes can.
>
> So why not have only one concept that does both class and modules? You ma=
y
> call this unified concept either class or a module, I'll call it X.
>
> X is capable of extending, including and inheriting, does scoping and be
> instanciated.
>
> How does it sound?
>
> regards,
> br=C3=A1ulio
>
> --
> "Lute pela sua ideologia. Seja um com sua ideologia. Viva pela sua
> ideologia. Morra por sua ideologia" P.R. Sarkar
>
> EITA - Educa=C3=A7=C3=A3o, Informa=C3=A7=C3=A3o e Tecnologias para Autoge=
st=C3=A3o
> http://cirandas.net/brauliobo
> http://eita.org.br
>



--=20
"Lute pela sua ideologia. Seja um com sua ideologia. Viva pela sua
ideologia. Morra por sua ideologia" P.R. Sarkar

EITA - Educa=C3=A7=C3=A3o, Informa=C3=A7=C3=A3o e Tecnologias para Autogest=
=C3=A3o
http://cirandas.net/brauliobo
http://eita.org.br

--001a11c373602c9f5704e1cffa1d
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><br></div><div class=3D"gmail_extra"><br><br><div class=3D=
"gmail_quote">On Thu, Jul 18, 2013 at 11:02 AM, Br=C3=A1ulio Bhavamitra <sp=
an dir=3D"ltr">&lt;<a href=3D"mailto:braulio@eita.org.br" target=3D"_blank"=
>braulio@eita.org.br</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr">Hello all,<div><br></div><d=
iv>Recently I got the error described at=C2=A0<a href=3D"https://www.ruby-f=
orum.com/topic/1506818" target=3D"_blank">https://www.ruby-forum.com/topic/=
1506818</a>,</div>

<div>which shows that classes can&#39;t be used to scope another classes or=
 modules.</div>
<div><br></div><div>Then I started thinking: why two concepts, class and mo=
dule, instead of only one?</div><div><br></div><div>Classes=C2=A0heritage, =
a feature modules don&#39;t have, can be done with include and extend toghe=
ter. So we would need another method that does both include and extend (cal=
l it inherit). Classes can&#39;t be used to define a scope.</div>


<div>Modules can&#39;t be instanciated, but classes can.</div><div><br></di=
v><div>So why not have only one concept that does both class and modules? Y=
ou may call this unified concept either class or a module, I&#39;ll call it=
 X.</div>


<div><br></div><div>X is capable of extending, including and inheriting, do=
es scoping and be instanciated.</div><div><br></div><div>How does it sound?=
</div><div><br></div><div>regards,</div><div>br=C3=A1ulio<span class=3D"HOE=
nZb"><font color=3D"#888888"><br clear=3D"all">

<div>
<br></div>-- <br>&quot;Lute pela sua ideologia. Seja um com sua ideologia. =
Viva pela sua ideologia. Morra por sua ideologia&quot; P.R. Sarkar<br><br>E=
ITA - Educa=C3=A7=C3=A3o, Informa=C3=A7=C3=A3o e Tecnologias para Autogest=
=C3=A3o<br><a href=3D"http://cirandas.net/brauliobo" target=3D"_blank">http=
://cirandas.net/brauliobo</a><br>


<a href=3D"http://eita.org.br" target=3D"_blank">http://eita.org.br</a>
</font></span></div></div>
</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br>&quot;Lute p=
ela sua ideologia. Seja um com sua ideologia. Viva pela sua ideologia. Morr=
a por sua ideologia&quot; P.R. Sarkar<br><br>EITA - Educa=C3=A7=C3=A3o, Inf=
orma=C3=A7=C3=A3o e Tecnologias para Autogest=C3=A3o<br>

<a href=3D"http://cirandas.net/brauliobo" target=3D"_blank">http://cirandas=
.net/brauliobo</a><br><a href=3D"http://eita.org.br" target=3D"_blank">http=
://eita.org.br</a>
</div>

--001a11c373602c9f5704e1cffa1d--