9 u: won't process surrogates if its right argument is numeric. You can convert it to utf16 first. $9 u: 128512 55357 56832 3
$ 9 u: 7 u: 128512 55357 56832 2 On Sun, Nov 29, 2020, 10:33 AM 'robert therriault' via Beta < [email protected]> wrote: > To be fair, I also see this behaviour in j901,j807 and j805, but I first > noticed it in j902 (probably because it is incredibly obscure!) > > s:<(9 u: 128512 128512) NB. expected behaviour > `😀😀 > s:<(9 u: 55357 56832 55357 56832) NB. expected behaviour > `😀😀 > s:<(9 u: 128512 55357 56832) NB. does not like mixing surrogate > pairs with code point > `😀������ > s:<(9 u: 55357 56832 128512) NB. likes the reversal even less > `= > s:<(9 u: 55357 56832 3101) NB. lower code points do not create a > problem when mixed with surrogate pairs > `😀ఝ > s:<(9 u: 3101 55357 56832) NB. in either order > `ఝ😀 > > Also noticed that even when forced to unicode4, 5 s: returns a boxed > unicode value instead of unicode4 when using surrogate pairs > > 5 s: s:< 9 u: 128512 > ┌──┐ > │😀│ > └──┘ > datatype > 5 s: s:< 9 u: 128512 > unicode4 > 5 s: s:< 9 u: 55357 56832 > ┌──┐ > │😀│ > └──┘ > datatype > 5 s: s:< 9 u: 55357 56832 > unicode > > > JVERSION > Engine: j902/j64avx2/darwin > Beta-n: commercial/2020-11-21T11:37:53 > Library: 9.02.08 > Qt IDE: 1.8.7/5.12.7(5.12.7) > Platform: Darwin 64 > Installer: J902 install > InstallPath: /users/bobtherriault/j902 > Contact: www.jsoftware.com > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
