string is rarely useful as a function argument

[Vladimir Panteleev]

On Saturday, 31 December 2011 at 15:03:13 UTC, Andrei 
Alexandrescu wrote:
>> The whole concept of generic algorithms working on strings 
>> efficiently
>> doesn't work.
>
> Apparently std.algorithm does.

According to my research[1], std.array.replace (which uses 
std.algorithm under the hood) can be at least 40% faster when 
there is a match and 70% faster when there isn't one.

I don't think this is actually related to UTF, though.

[1]: 
http://dump.thecybershadow.net/5cfb6713ce6628686c6aa8a23b15c99e/test.d