Update NVP implementation, tests, docs

test/nvp_test.cpp

@@ -8,44 +8,6 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/core/nvp.hpp>
 #include <boost/core/lightweight_test_trait.hpp>
 
-class saver {
-public:
-    struct is_saving {
-        static const bool value = true;
-    };
-
-    explicit saver(int value)
-        : value_(value) { }
-
-    int get() const {
-        return value_;
-    }
-
-    void operator<<(int value) {
-        value_ = value;
-    }
-
-private:
-    int value_;
-};
-
-class loader {
-public:
-    struct is_saving {
-        static const bool value = false;
-    };
-
-    explicit loader(int value)
-        : value_(value) { }
-
-    void operator>>(int& value) {
-        value = value_;
-    }
-
-private:
-    int value_;
-};
-
 void test()
 {
     const char* n = "name";
@@ -56,33 +18,6 @@ void test()
     BOOST_TEST_EQ(&p.value(), &v);
 }
 
-void test_serialize()
-{
-    int v = 1;
-    boost::nvp<int> p("name", v);
-    saver s(0);
-    p.serialize(s, unsigned());
-    BOOST_TEST_EQ(s.get(), 1);
-}
-
-void test_deserialize()
-{
-    int v = 1;
-    boost::nvp<int> p("name", v);
-    loader l(5);
-    p.serialize(l, unsigned());
-    BOOST_TEST_EQ(p.value(), 5);
-}
-
-void test_trait()
-{
-    BOOST_TEST_TRAIT_FALSE((boost::is_nvp<int>));
-    BOOST_TEST_TRAIT_TRUE((boost::is_nvp<boost::nvp<int> >));
-    BOOST_TEST_TRAIT_TRUE((boost::is_nvp<const boost::nvp<int> >));
-    BOOST_TEST_TRAIT_TRUE((boost::is_nvp<volatile boost::nvp<int> >));
-    BOOST_TEST_TRAIT_TRUE((boost::is_nvp<const volatile boost::nvp<int> >));
-}
-
 void test_factory()
 {
     const char* n = "name";
@@ -96,9 +31,6 @@ void test_factory()
 int main()
 {
     test();
-    test_serialize();
-    test_deserialize();
-    test_trait();
     test_factory();
     return boost::report_errors();
 }