[C++-sig] template function

[David Abrahams]

on Wed Aug 29 2007, "Luca Sbardella" <luca.sbardella-AT-gmail.com> wrote:

> and used the export_test class to export to python. For example
>
> export_test<double,double>("test_real");
>
> Everything works fine if I comment
> .def("keys",       &etest::keys<L>)
> in the export_test. All the member functions of test are available in Python.
>
> However if I insert the .def("keys",       &etest::keys<L>)  the code will not
> compile!!!
>
> Am I missing something?

Yeah, &etest::keys<L> isn't valid C++ unless L is a type.  It isn't,
in your case.  You can't take the address of a (member) function
template; you can only take the address of a particular specialization
(instance) of that template, so you need to substitute a real, concrete
type name for L.

HTH,

-- 
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com

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