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Re: [Scheme-reports] fresh empty strings
| From: Vincent Manis <vmanis@x>
| Date: Mon, 23 Jan 2012 17:01:54 -0800
| On 2012-01-23, at 15:04, John Cowan wrote:
| > In order to allocate a string as an immediate, you also have to
| > prove that it's immutable.
| In the absence of a procedure for mutating the length of a string,
| empty strings are immutable.
| I guess I'd like to see a use case where it really paid off to define
| (eq? (string) (string)). In the absence of one, I personally don't
| care if the result is unspecified.
If there is only one empty string, then it would be convenient to be
able to match that empty string in a case statement:
(case obj (("") ...))
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