Re: [boost] [parameter] arg_list.hpp depends on maybe.hpp

Subject: Re: [boost] [parameter] arg_list.hpp depends on maybe.hpp
From: David Abrahams (dave_at_[hidden])
Date: 2010-05-24 15:05:24

At Mon, 24 May 2010 22:10:20 +0400,
Andrey Semashev wrote:
> 
> I've been inspecting my code for a possible compilation speedup. The 
> code uses Boost.Parameter and thus my attention shifted to it as well.
> 
> I noticed that the parameter/aux_/arg_list.hpp header depends on 
> parameter/aux_/maybe.hpp, which appears to be quite heavy due to its 
> usage of Boost.Optional and other headers. From the code it looks like 
> this "maybe" is only related to python binding, and the only thing 
> arg_list.hpp needs from it is the maybe_base class, which is trivial.
> 
> Is it possible to extract this class to a separate header and remove the 
> dependency on maybe.hpp from arg_list.hpp or am I missing something? The 
> change looks quite harmless. If I'm not missing anything, am I allowed 
> to apply the change?

If you can run all the regression tests and they pass, feel free to
apply it.

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