Test for general binding of parameter-enabled functions.

[SVN r31976]

test/python/general.cpp

@@ -0,0 +1,100 @@
+// Copyright Daniel Wallin 2005. Use, modification and distribution is
+// subject to the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/python.hpp>
+#include <boost/parameter/python/general.hpp>
+#include <boost/parameter/parameters.hpp>
+
+namespace mpl = boost::mpl;
+
+BOOST_PARAMETER_KEYWORD(tag, x)
+BOOST_PARAMETER_KEYWORD(tag, y)
+BOOST_PARAMETER_KEYWORD(tag, z)
+
+struct tag::x
+{
+    static char const* keyword()
+    {
+        return "x";
+    }
+};
+
+
+struct tag::y
+{
+    static char const* keyword()
+    {
+        return "y";
+    }
+};
+
+struct tag::z
+{
+    static char const* keyword()
+    {
+        return "z";
+    }
+};
+
+typedef boost::parameter::parameters<
+    tag::x
+  , tag::y
+> f_parameters;
+
+template <class Args>
+float f_impl(Args const& args)
+{
+    return args[x | 1] / args[y | 1];
+}
+
+template <class A0>
+float f(A0 const& a0)
+{
+    return f_impl(f_parameters()(a0));
+}
+
+template <class A0, class A1>
+float f(A0 const& a0, A1 const& a1)
+{
+    return f_impl(f_parameters()(a0,a1));
+}
+
+template <class A0, class A1, class A2>
+float f(A0 const& a0, A1 const& a1, A2 const& a2)
+{
+    return f_impl(f_parameters()(a0,a1,a2));
+}
+
+struct meta
+{
+    typedef mpl::vector3<
+        mpl::pair<tag::x, mpl::true_>
+      , mpl::pair<tag::y, mpl::false_>
+      , mpl::pair<tag::z, mpl::false_>
+    > keywords;
+
+    template <class R, class A0>
+    R operator()(boost::type<R>, A0 const& a0)
+    {
+        return f(a0);
+    }
+
+    template <class R, class A0, class A1>
+    R operator()(boost::type<R>, A0 const& a0, A1 const& a1)
+    {
+        return f(a0,a1);
+    }
+
+    template <class R, class A0, class A1, class A2>
+    R operator()(boost::type<R>, A0 const& a0, A1 const& a1, A2 const& a2)
+    {
+        return f(a0,a1,a2);
+    }
+};
+
+BOOST_PYTHON_MODULE(general)
+{ 
+    boost::parameter::python::def<meta>("f", mpl::vector4<float,float,float,float>());
+}
+