Problem nesting boost::lambda::bind-s

Question

I have a generic function:

void ImageAlbum::ExpressButtonPressed(
    boost::function<
        void (
            thumb::PhotoPrintThumbnail*,
            thumb::PhotoPrintFormat,
            thumb::PhotoPrintQuantity
        )
    > memberToCall
) {
    ...

    BOOST_FOREACH(thumb::PhotoPrintThumbnail *pThumbnail, m_thumbs.GetSelected()) {
    memberToCall(
            pThumbnail,
            m_expressSel.GetSelectedFormat(),
            m_expressSel.GetSelectedQuantity()
        );
    }

    ...
}

I can successfully call:

ExpressButtonPressed(boost::bind(&thumb::PhotoPrintThumbnail::AddQuantity, _1, _2, _3));

Then, instead of adding a quantity of a certain format to a thumbnail, I need to replace them all with a single format. More precise, with a list of 1 element, like that:

ExpressButtonPressed(
    boost::lambda::bind(
        &thumb::PhotoPrintThumbnail::SetFormats,
        _1,
        boost::lambda::bind(
            boost::lambda::constructor<thumb::PhotoPrintThumbnail::LoadedFormats>(),
            1,
            boost::lambda::bind(
                boost::lambda::constructor<thumb::PhotoPrintThumbnail::LoadedFormat>(),
                _2,
                _3
            )
        )
    )
);

Which results in "boost/lambda/detail/actions.hpp(96) : error C2665: 'boost::lambda::function_adaptor::apply' : none of the 2 overloads could convert all the argument types".

What am I doing wrong here?

BTW

class PhotoPrintThumbnail {
public:
...
    typedef std::pair<PhotoPrintFormat, PhotoPrintQuantity> LoadedFormat;
    typedef std::list<LoadedFormat> LoadedFormats;
    void SetFormats(const LoadedFormats &formats);

Answer 1

Do you happen to #include boost/bind.hpp in your lambda-using code? This would cause unqualified use of the placeholders (_1, _2, etc) to resolve to those defined by Boost.Bind, and these don't mix well with Boost.Lambda.

Rewriting your code to explicitly use boost::lambda::_[1,2,3] instead of the unqualified names compiles fine on my VC 7.1 setup.