[Haskell-cafe] Unicode silliness

[Clinton Mead]

I think MarLinn was highlighting that this line:

> foo ‹（’-’‹） bar = False

Should read like this:

> foo ‹（’-’）‹ bar = False

On Fri, Jul 14, 2017 at 1:03 AM, David Turner <dct25-561bs at mythic-beasts.com
> wrote:

> On 13 July 2017 at 12:58, MarLinn <monkleyon at gmail.com> wrote:
>
>> foo （›’-’）› bar = False
>>>
>>> Main.hs:1:5: error: lexical error at character '\65288'
>>>
>>
>> Brackets.
>>
>
> Yes, brackets, but why is this a problem?
>
> I found this code [1] in GHC which seems like it might be relevant. Is it?
> It seems to suggest that classes Pc, Pd, Po, Sm, Sc, Sk and So are allowed
> in infix names, but Ps, Pe, Pi and Pf are not. Am I reading that right?
>
> [1] https://github.com/ghc/ghc/blob/49012ebc9ed44a0b1f8de3781e15c8
> 115d3074f8/compiler/parser/Lexer.x#L2013
>
> Cheers,
>
> David
>
>
>
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