Re: [Boost-build] jam/python function calling

Subject: Re: [Boost-build] jam/python function calling
From: Vladimir Prus (ghost_at_[hidden])
Date: 2010-07-16 08:45:34

On Thursday 15 July 2010 13:15:23 Juraj Ivančić wrote:

> On 14.7.2010 21:06, Vladimir Prus wrote:
> > I am starting to think that using exact signature from jam code is the
> > best approach here. Using magic lists of integers that describe unpacking
> > appears to be unmaintainable (even though the description has to be
> > written only once, it better be readable)
> 
> Exact signature needlessly duplicates parameter names. This hardly
> increases readability IMHO.

On the other hand, you can copy-paste signature from .jam file, and it
will work.

> How about this:
> 
> @jam_signature( [ '..*', '*', '?', '?' ] )
> def flags(rule_or_module, variable_name, condition, values, unchecked,
> hack_hack):
> 
> or
> 
> @jam_signature( "..*:*:?:?" )
> def flags(rule_or_module, variable_name, condition, values, unchecked,
> hack_hack):

This is indeed more terse -- and somewhat easier to parse.

Thanks,

--
Vladimir Prus
http://vladimir_prus.blogspot.com
Boost.Build: http://boost.org/boost-build2