Re: Better string constants

Even if we implemented your proposal for parsers, I still think we need
better string literals.  At least """, but we could conceivably implement
#r as parse-r.  :-)

On Wed, Feb 27, 2013 at 10:00 PM, Bruce Mitchener <[email protected]
> wrote:

> define constant coil-parser = parse-coil;
>
> let c = #coil:[
>
>   A: {
>     a: 'a'
>     b: 'b'
>     c: 'c'
>   }
> ];
>
> Suspect that works right now in OpenDylan 2012.1.
>
>  - Bruce
>
>
>
> On Thu, Feb 28, 2013 at 9:55 AM, Carl Gay <[email protected]> wrote:
>
>> I really want better string constant syntax in Dylan.  Doing this sort of
>> thing...
>>
>>   parse-coil("A: {\n"
>>              "    a: 'a'\n"
>>              "    b: 'b'\n"
>>              "    c: 'c'\n"
>>              "}\n"
>>              ...
>> or
>>   "\"5\""
>>
>> is really tedious and error prone.  (Both of the above are from a test
>> suite.)
>>
>> We need two things:
>>   (1) raw string literals
>>   (2) multi-line strings
>>
>>  Briefly, my suggestions are:
>> * Use """ for multiline backslash-interpreted strings.
>> * Use ` (backquote) for one-line raw strings.
>> * Use ``` for multi-line raw strings.
>>
>> `"5"` == "\"5\""
>> `\d+\.` == "\\d+\\."
>> ```A: {
>>   a: 'a'
>>   b: 'b'
>>   c: 'c'
>> }``` == the string near the top of this message.
>>
>> While I think it may be possible to use `...` for multi-line raw strings
>> (as Go does) it bothers me that there's no way to embed a backquote, and
>> also I like having the symmetry of "..." / """...""" and `...` / ```...```.
>>
>> Another possibility I like is #r"..." and #r"""...""" for raw strings.
>>
>> Thoughts/opinions?
>>
>>
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>>
>>
>
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