Hash style comments

Jussi Kalliokoski jussi.kalliokoski at gmail.com
Wed Aug 8 09:57:36 PDT 2012


And even if it wasn't, it wouldn't make much sense to use the only
punctuation symbol we have left for comments where we already have two
syntaxes. :)

Cheers,
Jussi

On Wed, Aug 8, 2012 at 7:38 PM, Rick Waldron <waldron.rick at gmail.com> wrote:

>
>
> On Wed, Aug 8, 2012 at 11:58 AM, Trans <transfire at gmail.com> wrote:
>
>> Hi. First time posting to the list, so please forgive if I am not
>> following proper approach.
>>
>> I'd like to make one proposal for future of EMCAScript. I would like
>> to see support for `#` comment notation.
>>
>
> The # is already on hold for several potential syntax additions:
>
> - sealed object initializers
> http://wiki.ecmascript.org/doku.php?id=strawman:obj_initialiser_methods
> - Tuples http://wiki.ecmascript.org/doku.php?id=strawman:tuples
> - Records http://wiki.ecmascript.org/doku.php?id=strawman:records
>
> Rick
>
>
>
>
>>
>> The reasons for this are more interesting than one might think.
>>
>> First, of course, is the simple fact that `#` is a very common
>> notation among programming languages. It is used by Shell scripts,
>> Ruby, Python, even Coffeescript, and many others.
>>
>> Secondly, `#` is preferable to `//` in that it is only one character
>> instead of two, and albeit subjective (IMHO) it just seems a little
>> bit more aesthetic.
>>
>> But another reason, that few will at first consider, is the
>> relationship between JSON and YAML. Their respective development teams
>> made an effort to ensure JSON was a perfect subset of YAML. Now there
>> is consideration of JSON5 (https://github.com/aseemk/json5). JSON5
>> adds support for comments, however it is Javascript style comments,
>> where as YAML supports `#` style comments. This causes the
>> superset-subset relationship to break. To help remedy this going
>> forward, it would be very helpful if EMCAScript also supported `#`
>> comments. The YAML spec could in turn add support for `//` style
>> comments.
>>
>> To be clear, I am not suggesting that `//` be deprecated. That would
>> simply break far too much old code for no good reason! I am just
>> seeking for `#` to be supported too.
>>
>> Thanks for consideration,
>> trans
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>>
>
>
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