Hi Alex and Tomas,
In PLT Scheme, you can comment out a single expression with "#'" (e.g.
.. #'(+ 1 2) ...). It would be great to have such kind of comment
too, but I don't know how to do it easily. :-(
In fact, my #{...}# syntax is inspired by the #|...|# syntax in PLT
Scheme (but in PLT, it can be nested, unlike my implementation ;-)
Best regards,
KS
On Fri, May 8, 2009 at 1:28 AM, Alexander Burger <[email protected]> wrot=
e:
> Hi Tomas,
>
>> something which would not make me edit both ends of the commented out
>> expression, e.g. Common Lisp #+NIL(...) is better in that sense as you
>> can stay at the beginning all the time when commenting or
>
> I personally find the token '#+NIL' a bit too long (a typical Common
> Lisp style). I like Kriangkrai's syntax '#{', as the '#' denotes a
> comment and the '{' a block (and not necessarily a Lisp expression).
> Also a nice fact is that '{' is used only in external symbols so far,
> and will not conflict much with other things.
>
>
> BTW, I don't know if you are aware of it, but there is a nice "trick"
> which I use occasionally to comment a whole expression: The good old
> quote :-)
>
> =A0 '(de foo ()
> =A0 =A0 =A0...)
>
> If you use it inside of expressions, though, you must take care of what
> it means in that context:
>
> =A0 (de foo ()
> =A0 =A0 =A0(doThis)
> =A0 =A0 =A0'(doThat)
> =A0 =A0 =A0(doSomethingelse) )
>
> will successfully comment (doThat), without any other side effect, but
>
> =A0 (de foo ()
> =A0 =A0 =A0(if (bar)
> =A0 =A0 =A0 =A0 '(doThis)
> =A0 =A0 =A0 =A0 (toThat) ) )
>
> might not behave as expected.
>
>
>> I think unescaping strings does not scale, using it in all sorts of
>> templates usually leads to a mess. =A0It's much better to stay in the
>> "lisp world" as opposed to the "string world" I think;-)
>
> Very true.
>
> Cheers,
> - Alex
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