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From: Paul Rubin <no.email@nospam.invalid>
Newsgroups: comp.lang.forth
Subject: Re: Ruby/Forth challenge for WJ
Date: Tue, 12 Jan 2016 18:39:30 -0800
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mhx@iae.nl writes:
>>   for (uint8_t b: buf) {
>>     ++counts[b];
>>   } ...
>
> The compiler should have noticed that you aren't doing anything
> with the contents of buf.

In C++11, the "for (uint_t b: buf) ..." syntax means that b iterates
through the contents of buf.  OTOH it's true that I didn't do anything
with the contents of counts.  But I had tested with smaller bufs earlier
and the runtime scaled linearly.