> On 14 Nov 2018, at 11:39 am, Monte Goulding via use-livecode 
> <use-livecode@lists.runrev.com> wrote:
> 
>> You generally want to use codepoint in 7+ generally where previously you 
>> used char unless you know you are dealing with a binary string and then you 
>> use byte.
> 
> Sorry! I have written codepoints here when I was thinking codeunits! Use 
> codeunits rather than codepoints as they are a fixed number of bytes (2). 
> Codepoints may be 2 or 4 bytes so there is a cost in figuring out the number 
> of codepoints or the exact byte codepoint x refers to. So for chunk 
> expressions on unicode strings use `codeunit x to y`.

Argh… sorry again… codeunits are a fixed number of bytes but that fixed number 
depends on whether the string is native encoded (1 byte) or UTF-16 (2 bytes)!

And for completeness codeunit/codepoint is not equivalent to char. If you 
really need to count graphemes then you will need to use char.

Cheers

Monte
_______________________________________________
use-livecode mailing list
use-livecode@lists.runrev.com
Please visit this url to subscribe, unsubscribe and manage your subscription 
preferences:
http://lists.runrev.com/mailman/listinfo/use-livecode

Reply via email to