Re: [boost] [review] Convert library

Subject: Re: [boost] [review] Convert library
From: Vladimir Batov (vb.mail.247_at_[hidden])
Date: 2014-05-26 04:12:24

Joel de Guzman wrote
> On 5/25/14, 6:34 PM, Jeroen Habraken wrote:
>  > ...
>  > [4] http://www.kumobius.com/2013/08/c-string-to-int/
> 
> This makes me wonder. How fast is Convert BTW? How does it compare
> to the examples in that benchmark? Boost is performance hungry! It
> will be a real cause of concern if it is slower than the benchmarks.

"convert" has no benchmarks of it own... because it does nothing. :-) It's a
"manager" class rather than a "worker" class. It's merely an interface to
coordinate/unify and uniformly deploy (or quickly swap on when-needed basis)
varying conversion facilities. So, with the "coerce"-based converter
"convert" performs as fast as "coerce". I actually ran tests with
lexical_cast and others: naked lex_cast vs. convert+lex_cast. No performance
degradation. I mention it in the docs.

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