50   using StrStream = std::basic_stringstream<CharT, TraitsT, AllocT>;  in test_sfinae()  typedef
53   static_assert(std::constructible_from<StrStream, CharT*, const AllocT>);  in test_sfinae()
54   static_assert(test_convertible<StrStream, CharT*, const AllocT>());  in test_sfinae()
57   static_assert(std::constructible_from<StrStream, const CharT*, const AllocT>);  in test_sfinae()
58   static_assert(test_convertible<StrStream, const CharT*, const AllocT>());  in test_sfinae()
61 …static_assert(std::constructible_from<StrStream, const std::basic_string_view<CharT, TraitsT>, con…  in test_sfinae()
62 …static_assert(test_convertible<StrStream, std::basic_string_view<CharT, TraitsT>, const AllocT>());  in test_sfinae()
65 …static_assert(std::constructible_from<StrStream, const std::basic_string<CharT, TraitsT>, const Al…  in test_sfinae()
66 …static_assert(test_convertible<StrStream, const std::basic_string<CharT, TraitsT>, const AllocT>()…  in test_sfinae()
69 …static_assert(std::constructible_from<StrStream, const ConstConvertibleStringView<CharT, TraitsT>,…  in test_sfinae()
70 …static_assert(test_convertible<StrStream, const ConstConvertibleStringView<CharT, TraitsT>, const …  in test_sfinae()
73 …static_assert(!std::constructible_from<StrStream, NonConstConvertibleStringView<CharT, TraitsT>, c…  in test_sfinae()
74 …static_assert(!test_convertible<StrStream, NonConstConvertibleStringView<CharT, TraitsT>, const Al…  in test_sfinae()
76 …static_assert(!std::constructible_from<StrStream, const NonConstConvertibleStringView<CharT, Trait…  in test_sfinae()
77 …static_assert(!test_convertible<StrStream, const NonConstConvertibleStringView<CharT, TraitsT>, co…  in test_sfinae()
80   static_assert(!std::constructible_from<StrStream, const SomeObject, const AllocT>);  in test_sfinae()
81   static_assert(!test_convertible<StrStream, const SomeObject, const AllocT>());  in test_sfinae()
84 …static_assert(!std::constructible_from<StrStream, const std::basic_string_view<CharT, TraitsT>, co…  in test_sfinae()
85 …static_assert(!test_convertible<StrStream, const std::basic_string_view<CharT, TraitsT>, const Non…  in test_sfinae()
90   using StrStream = std::basic_stringstream<CharT, TraitsT, AllocT>;  in test()  typedef
96     StrStream ss(CS("zmt"), allocator);  in test()
103     StrStream ss(csv, allocator);  in test()
110     StrStream ss(cs, allocator);  in test()
117     StrStream ss(sv, allocator);  in test()