[Haskell-cafe] Type-Level Programming
Tony Morris
tonymorris at gmail.com
Sat Jun 26 07:31:36 EDT 2010
http://www.cs.nott.ac.uk/~txa/publ/ydtm.pdf
Andrew Coppin wrote:
> Liam O'Connor wrote:
>> It means that not only can values have types, types can have values.
>>
>
> Uh, don't types have values *now*?
>
>> An example of the uses of a dependent type would be to encode the
>> length of a list in it's type.
>>
>
> Oh, right. So you mean that as well as being able to say "Foo Bar",
> you can say "Foo 7", where 7 is (of course) a value rather than a
> type. (?)
>
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--
Tony Morris
http://tmorris.net/
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