[ghc-steering-committee] Extra Commas (#87), Recommend: accept

[Christopher Allen]

Qualifying what I said toward the end, I don't think we should
encourage clutter either. Trailing commas is an ergonomic idea that is
already getting proved out by another language community.

On Sat, Aug 4, 2018 at 1:27 PM, Christopher Allen <cma at bitemyapp.com> wrote:
> I've been using Rust which has terminal commas in the syntactic
> enumerations and it's, frankly, lovely. Less editing and easier
> copy/paste or use of macros when I am munging code. If it seems sloppy
> to you, it's probably because you aren't accustomed to it.
>
> We have to remember that we work with code and not sentential English.
> In my view, mechanical ease should take priority over apparent
> naturalness. There have been many people who've objected that Haskell
> function application syntax is unnatural because they are accustomed
> to C-style f(arg, arg1) syntax.
>
> Cf. https://medium.com/@nikgraf/why-you-should-enforce-dangling-commas-for-multiline-statements-d034c98e36f8
>
> I'd like to see this get in unless there are real technical issues
> blocking it. I don't think it's our place to block an optional
> extension on aesthetic grounds unless it was beyond the pale of what
> the language is or does. I don't see how an extension permitting extra
> commas would qualify.
>
>
> On Sat, Aug 4, 2018 at 10:37 AM, Joachim Breitner
> <mail at joachim-breitner.de> wrote:
>> Hi,
>>
>> Am Samstag, den 02.06.2018, 13:04 -0700 schrieb Iavor Diatchki:
>>> Well, I think it is a bad idea.  Obviously I don't think it has a
>>> huge impact on the language, but I think it encourages poor style,
>>> for very questionable befits.  This is quite subjective, of course,
>>> but I think that this choice is at odds with Haskell's elegant
>>> surface syntax.  We don't allow repeated punctuation in written
>>> prose,,,, why would we want in our programs?,,,
>>
>> looks like there is some discussion needed here…
>>
>> Cheers,
>> Joachim
>>
>>
>> --
>> Joachim Breitner
>>   mail at joachim-breitner.de
>>   http://www.joachim-breitner.de/
>>
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>
>
>
> --
> Chris Allen
> Currently working on http://haskellbook.com



-- 
Chris Allen
Currently working on http://haskellbook.com