Re: Better string constants

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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