With GHC 7.0.3:
$ cat test.hs
class ℝ a where {
test :: a;
};
(∈) :: Eq a => a -> [a] -> Bool;
x ∈ (y:ys) = x == y || x ∈ ys;
main = putStrLn "Two of three ain't bad (^_~)";
$ runhaskell test.hs
Two of three ain't bad (^_~)
$
On 20/12/2011, David Fox <dds...@gmail.com> wrote:
> On Mon, Dec 19, 2011 at 11:20 AM, Robert Clausecker <fuz...@gmail.com>wrote:
>
>> Image you would create your own language with a paradigm similar to
>> Haskell or have to chance to change Haskell without the need to keep any
>> compatibility. What stuff would you add to your language, what stuff
>> would you remove and what problems would you solve completely different?
>>
>> Thanks in advance for all answers, yours
>>
>
> One thing that concerns me is the use of capital letters to distinguish
> type and class names and constructors from values. If I was doing it over
> I would use a typographical distinction like italics for types, bold for
> classes. That way we could have a constructor named ∅, a function named ∈,
> a class named ℝ.
>
Cheers,
Matthew Farkas-Dyck
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