Thanks, I can work with that. /Jens Axel
2016-10-08 19:44 GMT+02:00 Jon Zeppieri <zeppi...@gmail.com>: > > > On Sat, Oct 8, 2016 at 1:06 PM, Jens Axel Søgaard <jensa...@soegaard.net> > wrote: > >> Hi All, >> >> The following interaction shows how the reader can be used to construct a >> surrogate character: >> >> > (string-ref "\ud800\udc00" 0) >> #\𐀀 >> >> Given the two hexadecimal numbers d800 and dc00 how do I >> construct the surrogate character directly? >> >> /Jens Axel >> >> > I think you have to do the arithmetic yourself. Something like: > > (define (utf-16-surrogate-pair->char hi lo) > (integer->char > (+ #x10000 > (arithmetic-shift (bitwise-and hi #x03ff) 10) > (bitwise-and lo #x03ff)))) > > > > -- -- Jens Axel Søgaard -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
