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Newsgroups: comp.lang.ada
Date: Sat, 19 Dec 2020 14:20:52 -0800 (PST)
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Subject: Re: Ada syntax questions
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Xref: reader02.eternal-september.org comp.lang.ada:60898
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On Saturday, December 19, 2020 at 3:51:42 PM UTC-6, Stephen Leake wrote:
> DrPi writes:=20
>=20
> > Reading the code can't tell you the writer's intentions.
> That's what comments and design documents are for.=20

For decades, assembly-language programmers said the same thing about struct=
ured-programming feature-set as being representable in mere comments & desi=
gn documents.  For decades, C programmers said the same thing about Ada's a=
nd C++'s and now Rust's feature-sets as being representable in mere comment=
s & design documents.  Arguably, the entire history of programming from For=
tran (1957) and ALGOL (1958) forward is to encode the designer's intentions=
 in source code that is vetted by a compiler instead of merely letting comm=
ents and design documents bit-rot as the declarative & imperative source co=
de marches onward in the flow of time during initial greenfield completion =
(after all the =E2=80=9Cthen a miracle occurs=E2=80=9D on the blackboard sk=
etches become rubber meeting road) and then during maintenance (as the desi=
gn incrementally changes).