134     BOOST_HOF_PLACEHOLDER_TEST_CONSTEXPR auto f_shift_left = boost::hof::_1 << boost::hof::_2;  in BOOST_HOF_TEST_CASE()  local
136     static_assert(std::is_copy_constructible<decltype(f_shift_left)>::value, "Not copyable");  in BOOST_HOF_TEST_CASE()
138 …static_assert(boost::hof::detail::is_default_constructible<decltype(f_shift_left)>::value, "Not de…  in BOOST_HOF_TEST_CASE()
139     PLACEHOLDER_CHECK(f_shift_left(2, 1) == x_shift_left);  in BOOST_HOF_TEST_CASE()
357     BOOST_HOF_PLACEHOLDER_TEST_CONSTEXPR auto f_shift_left = boost::hof::_ << boost::hof::_;  in BOOST_HOF_TEST_CASE()  local
359     static_assert(std::is_copy_constructible<decltype(f_shift_left)>::value, "Not copyable");  in BOOST_HOF_TEST_CASE()
361 …static_assert(boost::hof::detail::is_default_constructible<decltype(f_shift_left)>::value, "Not de…  in BOOST_HOF_TEST_CASE()
362     PLACEHOLDER_CHECK(f_shift_left(2, 1) == x_shift_left);  in BOOST_HOF_TEST_CASE()
504     BOOST_HOF_PLACEHOLDER_TEST_CONSTEXPR auto f_shift_left = 2 << boost::hof::_;  in BOOST_HOF_TEST_CASE()  local
506     static_assert(std::is_copy_constructible<decltype(f_shift_left)>::value, "Not copyable");  in BOOST_HOF_TEST_CASE()
508 …static_assert(!boost::hof::detail::is_default_constructible<decltype(f_shift_left)>::value, "defau…  in BOOST_HOF_TEST_CASE()
509     PLACEHOLDER_CHECK(f_shift_left(1) == x_shift_left);  in BOOST_HOF_TEST_CASE()
651     BOOST_HOF_PLACEHOLDER_TEST_CONSTEXPR auto f_shift_left = boost::hof::_ << 1;  in BOOST_HOF_TEST_CASE()  local
653     static_assert(std::is_copy_constructible<decltype(f_shift_left)>::value, "Not copyable");  in BOOST_HOF_TEST_CASE()
655 …static_assert(!boost::hof::detail::is_default_constructible<decltype(f_shift_left)>::value, "defau…  in BOOST_HOF_TEST_CASE()
656     PLACEHOLDER_CHECK(f_shift_left(2) == x_shift_left);  in BOOST_HOF_TEST_CASE()