From: James Edward Gray II <james@...>
Date: 2009-12-15T02:07:12+09:00
Subject: Re: Ruby 1.9 string slicing and StringScanner pointers

On Dec 14, 2009, at 10:55 AM, Robert Klemme wrote:

> Btw, although UTF-16 is a fixed length encoding,

UTF-16 is not a fixed length encoding.  A UTF-16 character may be encoded in two or four bytes.

I believe UTF-32 is fixed length, but even then it would not be cheap to index due to Unicode's use of "combining characters."  With them multiple codepoints may represent a single index.

James Edward Gray II