Re: Refactoring progress report

From: David Abrahams (gclbb-jamboost_at_[hidden])
Date: 2003-05-10 12:09:33

Ali Azarbayejani <ali_at_[hidden]> writes:

> Each class declaration requires a "rule" declaration followed by a
> "class" declaration, making it difficult to see at a glance whether
> a rule is a regular rule or a class definition. Short of a core jam
> modification to allow a more obvious declaration, it may be possible
> to reduce confusion by allowing the placing of the "class"
> declaration just before the "rule" declaration. David plans to
> explore this possibility. We're not sure there is an easy solution.

An even easier solution:

rule foo.__init__ ( args * )
{
base.__init__ ( ... ) ;
rule method ( arg ) { }
}
class foo : base1 base2 ;

We can see that foo is a class by convention: its __init__ function
is declared.

Requires no core changes at all and just a minor tweak to class.jam.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com