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Date: Thu, 16 Apr 2020 21:08:32 -0700 (PDT)
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Subject: Re: Beginning Ada Programming, by Andrew T. Shvets (2020)
From: Andrew Shvets <andrew.shvets@gmail.com>
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Xref: reader01.eternal-september.org comp.lang.ada:58384
Date: 2020-04-16T21:08:32-07:00
List-Id: <comp.lang.ada>

On Tuesday, December 3, 2019 at 8:57:53 AM UTC-5, Lucretia wrote:
> On Tuesday, 3 December 2019 13:21:25 UTC, J-P. Rosen  wrote:
> > Le 03/12/2019 =C3=A0 13:33, Lucretia a =C3=A9crit :
> > >> Yes, he is. I had a little conversation on the very first edition
> > >> with him. I esp. objected that he started his examples with using
> > >> Integer rather than user-defined types (which IMHO is the very
> > >> heart of Ada). I do not know whether he changed this.
> >=20
> > > There's nothing wrong with using integer to start off and then moving
> > > onto defined types.
> > Yes there is! (see my paper at the last Ada-Europe). The first message
> > when you teach Ada is that it is all about defining proper types. You
> > have to start by fighting bad habits from other languages.
>=20
> People coming from other languages might not grasp types easily, so start=
 them off with an integer type and show them the range of it, then natural =
and positive explaining how they are defined and their ranges. Then drop th=
em into their own types.

That was my main motivation.  It would be needlessly painful for someone ju=
st starting out.