Major performance problem with std.array.front()

[Vladimir Panteleev]

On Saturday, 8 March 2014 at 15:33:34 UTC, Andrei Alexandrescu 
wrote:
> Why? Couldn't the grapheme 'compare true with the character? 
> I.e. the byGrapheme iteration normalizes on the fly.

Grapheme segmentation and normalization are distinct Unicode 
algorithms:

http://www.unicode.org/reports/tr15/
http://www.unicode.org/reports/tr29/

There are also several normalization algorithms.

http://en.wikipedia.org/wiki/Unicode_equivalence#Normalization