Chris Angelico <ros...@gmail.com>: > On Wed, Jul 19, 2017 at 7:53 PM, Marko Rauhamaa <ma...@pacujo.net> wrote: >> Here's a proposal: >> >> * introduce a building (predefined) class Text >> >> * conceptually, a Text object is a sequence of "real" characters >> >> * you can access each "real" character by its position in O(1) >> >> * the "real" character is defined to be a integer computed as follows >> (in pseudo-Python): >> >> string = the NFC normal form of the real character as a string >> rc = 0 >> shift = 0 >> for codepoint in string: >> rc |= ord(codepoing) << shift >> shift += 6 >> return rc >> >> * t[n] evaluates to an integer > > A string could consist of 1 base character and N-1 combining > characters. Can you still access those combined characters in constant > time?
Yes. Marko -- https://mail.python.org/mailman/listinfo/python-list
