[racket] Rationale behind missing string-trim

From: Chad Albers (calbers at neomantic.com)
Date: Sat May 26 07:57:56 EDT 2012

Thanks Eli!
Chad Albers

On Thu, May 24, 2012 at 2:19 PM, Eli Barzilay <eli at barzilay.org> wrote:
> About two weeks ago, Chad Albers wrote:
>> Thanks Eli.  I'm happy you recognize the issue.
>> I did write my own string-trim-both function using Racket's regexp as follows:
>>   (define (string-trim-both string)
>>     (cadr (regexp-match #px"[\\s]*(\\S+)[\\s]*" string)))
> Note that this doesn't work right:
>  -> (string-trim-both "  str ing  ")
>  "str"
>> May not be the best, but it works.  Even though it's easy to
>> implement, my issue was why it wasn't included.  I guess I'm just
>> used to such utilities functions being provided for free in the
>> language I usually  work in: Ruby.    I was surprised that I had to
>> either 1) roll my own, or 2) require the srfi-13.
> Sidenote: `string-trim', and several additional simplified string
> functions is now in the repository and will be included in the next
> release.
> --
>          ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
>                    http://barzilay.org/                   Maze is Life!

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