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From: David Thompson <dave.thompson2@verizon.net>
Newsgroups: comp.lang.ada
Subject: Re: Ada2012 : Expression functions and extended return statements
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Date: Thu, 19 Jan 2012 02:47:41 -0500
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Date: 2012-01-19T02:47:41-05:00
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On Fri, 06 Jan 2012 11:40:16 -0500, Robert A Duff
<bobduff@shell01.TheWorld.com> wrote:

> Martin Dowie <martin@re.mo.ve.thedowies.com> writes:

> > A bit like Pascal(?), didn't use the function's name at the point of
> > return?...so for function 'Foo' you wrote something like,
> >
> > Foo := 100;
> >
> > ?
> 
> Yes, that's the Pascal method.  The problem with it is that
> if you say something like "Foo := Foo + 1;" it does something
> very wrong, especially if Foo has no parameters.
> 
> But the general principle that the result should have a
> name is a good one.
> 
Classic FORTRAN used the FUNCTION name as the result variable, even on
RHS because it didn't support recursion. F90 added options to specify
a different name for the result variable, and for recursive.