Martin Percossi wrote:
>> Optional indentation has just been implemented, but it requires
>> an introduction:
>>
>> whilst x do $$
>> x = 1
>> y = 2
>>
>> This integrates fairly seamlessly with free form, without
>> any special knowledge of the syntax. I'm not sure I
>> like the $$ symbol though .. it's a bit ugly.
>>
>>
> Cool. I agree about the $$ symbol (speaking of aesthetics: was "whilst"
> rather than "while" really necessary? -- see
> http://en.wikipedia.org/wiki/Whilst, in particular the part about style
> guides ;-). F#'s approach, though not inlinable, is to have a directive,
> if memory serves well:
> #syntax light
> which I thought was pretty sensible. But again, you can't inline. Maybe
> have both?
We talked about this when skaller implemented "$$". I believe his reason
against "#syntax light" was that it was a global declaration, and he'd
prefer not to have them. I think it may also complicate the lexer. One
alternative idea (that I never mentioned) I did have to replace the
current $$ form would be to do:
#syntax light
whilst x do
x = 1
y = 2
done
#endsyntax
Personally though, I haven't yet been convinced that this *shouldn't* be
a global declaration. I think that swapping between the space-sensitive
and space-insensitive in a file could get confusing.
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