[plt-scheme] string-copy! primitive

Matthew Flatt <mflatt at cs.utah.edu> writes at 06:02 05-Jun-2004 -0700:
> I could add `string-copy!' to the exp-tagged version. Is that useful,
> or will you have to create an extension for now, anyway?

If there will be a version 208 before 300, a fast "string-copy!" in 208
would be great.  But not a big problem if we have to wait til 300.

I can use my current algorithm with the slow reference implementation
"string-copy!", so long as I know a faster "string-copy!" is imminent.

Thanks!