48     attrs::constant< std::string > attr3("Hello, world!");  in BOOST_AUTO_TEST_CASE()  local
53     set1[data::attr3()] = attr3;  in BOOST_AUTO_TEST_CASE()
80     f = expr::attr< std::string >(data::attr3()) == "Hello, world!";  in BOOST_AUTO_TEST_CASE()
83     f = expr::attr< std::string >(data::attr3()) > "AAA";  in BOOST_AUTO_TEST_CASE()
97     attrs::constant< std::string > attr3("Hello, world!");  in BOOST_AUTO_TEST_CASE()  local
102     set1[data::attr3()] = attr3;  in BOOST_AUTO_TEST_CASE()
119     f = expr::is_in_range(expr::attr< std::string >(data::attr3()), "AAA", "zzz");  in BOOST_AUTO_TEST_CASE()
127     f = expr::is_in_range(expr::attr< std::string >(data::attr3()), buf1, buf2);  in BOOST_AUTO_TEST_CASE()
134     f = expr::is_in_range(expr::attr< std::string >(data::attr3()),  in BOOST_AUTO_TEST_CASE()
177     attrs::constant< std::string > attr3("Hello, world!");  in BOOST_AUTO_TEST_CASE()  local
182     set1[data::attr3()] = attr3;  in BOOST_AUTO_TEST_CASE()
225     attrs::constant< std::string > attr3("Hello, world!");  in BOOST_AUTO_TEST_CASE()  local
230     set1[data::attr3()] = attr3;  in BOOST_AUTO_TEST_CASE()
235     filter f = expr::begins_with(expr::attr< std::string >(data::attr3()), "Hello");  in BOOST_AUTO_TEST_CASE()
238     f = expr::begins_with(expr::attr< std::string >(data::attr3()), "hello");  in BOOST_AUTO_TEST_CASE()
241     f = expr::begins_with(expr::attr< std::string >(data::attr3()).or_throw(), "Bye");  in BOOST_AUTO_TEST_CASE()
244     f = expr::begins_with(expr::attr< std::string >(data::attr3()).or_throw(), "world!");  in BOOST_AUTO_TEST_CASE()
264     attrs::constant< std::string > attr3("Hello, world!");  in BOOST_AUTO_TEST_CASE()  local
269     set1[data::attr3()] = attr3;  in BOOST_AUTO_TEST_CASE()
274     filter f = expr::ends_with(expr::attr< std::string >(data::attr3()), "world!");  in BOOST_AUTO_TEST_CASE()
277     f = expr::ends_with(expr::attr< std::string >(data::attr3()), "World!");  in BOOST_AUTO_TEST_CASE()
280     f = expr::ends_with(expr::attr< std::string >(data::attr3()).or_throw(), "Bye");  in BOOST_AUTO_TEST_CASE()
283     f = expr::ends_with(expr::attr< std::string >(data::attr3()).or_throw(), "Hello");  in BOOST_AUTO_TEST_CASE()
303     attrs::constant< std::string > attr3("Hello, world!");  in BOOST_AUTO_TEST_CASE()  local
308     set1[data::attr3()] = attr3;  in BOOST_AUTO_TEST_CASE()
313     filter f = expr::contains(expr::attr< std::string >(data::attr3()), "Hello");  in BOOST_AUTO_TEST_CASE()
316     f = expr::contains(expr::attr< std::string >(data::attr3()), "hello");  in BOOST_AUTO_TEST_CASE()
319     f = expr::contains(expr::attr< std::string >(data::attr3()).or_throw(), "o, w");  in BOOST_AUTO_TEST_CASE()
322     f = expr::contains(expr::attr< std::string >(data::attr3()).or_throw(), "world!");  in BOOST_AUTO_TEST_CASE()
342     attrs::constant< std::string > attr3("Hello, world!");  in BOOST_AUTO_TEST_CASE()  local
347     set1[data::attr3()] = attr3;  in BOOST_AUTO_TEST_CASE()
353     filter f = expr::matches(expr::attr< std::string >(data::attr3()), rex);  in BOOST_AUTO_TEST_CASE()
357     f = expr::matches(expr::attr< std::string >(data::attr3()).or_throw(), rex);  in BOOST_AUTO_TEST_CASE()
378     attrs::constant< std::string > attr3("Hello, world!");  in BOOST_AUTO_TEST_CASE()  local
386     set1[data::attr3()] = attr3;  in BOOST_AUTO_TEST_CASE()
399         expr::begins_with(expr::attr< std::string >(data::attr3()), "Hello");  in BOOST_AUTO_TEST_CASE()