21   constexpr basic_string_view(const CharT *) {}  in basic_string_view()
26   constexpr basic_string_view(const CharT *, size_t) {}  in basic_string_view()
34 constexpr bool operator<(basic_string_view<CharT>, basic_string_view<CharT>) {  in operator <()
38 constexpr bool operator<(type_identity_t<basic_string_view<CharT>>,  in operator <()
43 constexpr bool operator<(basic_string_view<CharT>,  in operator <()
44                          type_identity_t<basic_string_view<CharT>>) {  in operator <()
49 constexpr bool operator<=(basic_string_view<CharT>, basic_string_view<CharT>) {  in operator <=()
53 constexpr bool operator<=(type_identity_t<basic_string_view<CharT>>,  in operator <=()
58 constexpr bool operator<=(basic_string_view<CharT>,  in operator <=()
59                           type_identity_t<basic_string_view<CharT>>) {  in operator <=()
64 constexpr bool operator>(basic_string_view<CharT>, basic_string_view<CharT>) {  in operator >()
68 constexpr bool operator>(type_identity_t<basic_string_view<CharT>>,  in operator >()
73 constexpr bool operator>(basic_string_view<CharT>,  in operator >()
74                          type_identity_t<basic_string_view<CharT>>) {  in operator >()
79 constexpr bool operator>=(basic_string_view<CharT>, basic_string_view<CharT>) {  in operator >=()
83 constexpr bool operator>=(type_identity_t<basic_string_view<CharT>>,  in operator >=()
88 constexpr bool operator>=(basic_string_view<CharT>,  in operator >=()
89                           type_identity_t<basic_string_view<CharT>>) {  in operator >=()
94 constexpr bool operator==(basic_string_view<CharT>, basic_string_view<CharT>) {  in operator ==()
98 constexpr bool operator==(type_identity_t<basic_string_view<CharT>>,  in operator ==()
103 constexpr bool operator==(basic_string_view<CharT>,  in operator ==()
104                           type_identity_t<basic_string_view<CharT>>) {  in operator ==()
109 constexpr bool operator!=(basic_string_view<CharT>, basic_string_view<CharT>) {  in operator !=()
113 constexpr bool operator!=(type_identity_t<basic_string_view<CharT>>,  in operator !=()
118 constexpr bool operator!=(basic_string_view<CharT>,  in operator !=()
119                           type_identity_t<basic_string_view<CharT>>) {  in operator !=()