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From: gpriv@axonx.com
Newsgroups: comp.lang.ada
Subject: Re: Are there noticable differences in Ada acceptance by country?
Date: Fri, 21 Mar 2008 12:15:53 -0700 (PDT)
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On Mar 21, 12:16 am, "Jeffrey R. Carter"
<spam.jrcarter....@spam.acm.org> wrote:
> gp...@axonx.com wrote:
>
> > From my own C experience: using code from different sources X and Y
> > coordinates in function calls were in different order: foo(x,y);
> > boo(height, width), etc. Easy to overlook.
>
> Which is why we don't use C:

But sometimes we have no choice, unfortunately
:-(

For C++ I come up with macros NEWTYPE(TypName,BaseType) and
SUBTYPE(TypeName,BaseType) that generate structure-envelopes with all
basic arithmetic overloads that somewhat mimics Ada typing
functionality.

NEWTYPE(X_Coord, float);
NEWTYPE(Y_Coord, float);

void Foo(X_Coord x, Y_Coord y);



>
> Foo (X => X, Y => Y);
> Boo (Width => X, Height => Y);
>
> --
> Jeff Carter
> "C++: The power, elegance and simplicity of a hand grenade."
> Ole-Hjalmar Kristensen
> 90