[C++-sig] Re: wrapping class X with private constructor X::X(const X&)
David Abrahams
dave at boost-consulting.com
Thu Mar 4 22:33:50 CET 2004
Pearu Peterson <pearu at cens.ioc.ee> writes:
> I am trying to wrap a library class that is special in the sense
> that its constructor is specified as private and this causes
> compilation to fail. Is it true that boost.python tries
> to use X::X(const X&) internally?
Yes; it has to figure out how to return Xs from functions, should you
wrap such a function.
> Is is possible to avoid it?
yes (see below).
> (I tried to use no_init and init<>() with no success.)
>
> Thanks,
> Pearu
>
> Details
> -------
>
> GCC: 3.3.3
> Here is a fragment of my boost.python wrapper:
>
> class_<agg::matrix<agg::int8u> >("matrix");
add ", boost::noncopyable" -------^
--
Dave Abrahams
Boost Consulting
www.boost-consulting.com
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