rem: using namespace boost::unit_test_framework;
context: void assign_test(){    using namespace boost::unit_test_framework;    using namespace boost::spirit;    const char* cp = "63";    const char* cp_first = cp;    const char* cp_last = cp + strlen(cp);    int h=127;    int hm=h;    scanner<char const*> scan( cp_first, cp_last );    match<> hit;    hit = int_p[ assign_a(hm)].parse(scan);    BOOST_CHECK(hit);    BOOST_CHECK_EQUAL(scan.first, scan.last);    h=63;    BOOST_CHECK_EQUAL( hm,h);}