Re: syntax suggestion

David Abrahams <[email protected]>
Newsgroups gmane.comp.lib.boost.langbinding
Message-ID <[email protected]>
Alexander Nasonov <[email protected]> writes:

> On Thursday 04 March 2004 19:22, David Abrahams wrote:
>> You can fix that by treating the result of the whole expression as an
>> AST and evaluating it afterwards, but as I said, I worry about the
>> compile-time costs.
>
> Major cases are already pointed out by Daniel:
>
> Daniel Wallin wrote:
>> There are at least two cases where it won't work:
>> 
>> struct A { void f(); }
>> struct B : A {};
>> 
>> class_<B>("B") [
>> def("f", &B::f) // signature is void(A::*)() but A isn't
>> // wrapped.
>> ]
>>
>> and the most trivial..
>> 
>> class_<A>("A") [
>> def(constructor<>()) // Error, we need to explicitly mention
>> ]                        // the wrapped type for every constructor
>> 

I'm not sure what you're saying.  Any of these can be handled
perfectly well with lazy evaluation if you're willing to incur enough
compile-time cost.  I don't think we're understanding one another.

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



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