Re: Enumerated data types

Pete Jinks <pjj@cs.man.ac.uk>
29 Aug 90 13:47:19 GMT

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[4 earlier articles]
Re: Enumerated data types ok@goanna.cs.rmit.OZ.AU (1990-08-27)
Re: Enumerated data types jejones@microware.com (1990-08-27)
Re: Enumerated data types perelgut@turing.toronto.edu (1990-08-24)
Re: Enumerated data types dik@cwi.nl (1990-08-27)
Re: Enumerated data types grover@brahmand.Eng.Sun.COM (1990-08-28)
Re: Enumerated data types corbett@lupa.Eng.Sun.COM (1990-08-29)
Re: Enumerated data types pjj@cs.man.ac.uk (Pete Jinks) (1990-08-29)
Re: Enumerated data types kurt@tc.fluke.COM (1990-08-29)
Re: Enumerated data types anw@maths.nott.ac.uk (1990-08-29)
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Newsgroups: comp.compilers
From: Pete Jinks <pjj@cs.man.ac.uk>
Keywords: Pascal, design
Organization: Compilers Central
Date: 29 Aug 90 13:47:19 GMT

mandel@forwiss.uni-passau.de (Luis Mandel) writes:

>anyone knows if there are languages that allows anything like
> car_colours = (red, blue, brown, black);
> bike_colours = (orange, red, green, white);

I realise that this is an answer to a different question, but in Pascal, in
this limited case, one could write:
all_colours = (blue, brown, black, red, orange, green, white);
car_colours = blue .. red;
bike_colours = red .. white;

Of course, I have had to re-order the colours so that succ & pred now work
differently, but if you are just using them to cycle through all possibilities
it is still OK.
--

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