Re: [Python-Dev] Internal representation of strings and Micropython

2014年6月04日 14:27:12 -0700

On 6/4/2014 3:41 AM, Jeff Allen wrote:
Jython uses UTF-16 internally -- probably the only sensible choice in a
Python that can call Java. Indexing is O(N), fundamentally. By
"fundamentally", I mean for those strings that have not yet noticed that
they contain no supplementary (>0xffff) characters.
Indexing can be made O(log(k)) where k is the number of astral chars, and is usually small.
--
Terry Jan Reedy
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