39     const char *_v{nullptr};  member
41     constexpr udt1(const char *v) noexcept : _v(v) {}  // NOLINT  in udt1()
47     constexpr const char *operator*() const noexcept { return _v; }  in operator *()
51     const char *_v{nullptr};  member
53     constexpr explicit udt2(const char *v) noexcept : _v(v) {}  in udt2()
59     constexpr const char *operator*() const noexcept { return _v; }  in operator *()
60     bool operator==(const udt1 &o) const noexcept { return _v == *o; }  in operator ==()
61     bool operator!=(const udt1 &o) const noexcept { return _v != *o; }  in operator !=()
87     const char *_v{nullptr};  member
89     constexpr udt1(const char *v) noexcept : _v(v) {}  // NOLINT  in udt1()
95     constexpr const char *operator*() const noexcept { return _v; }  in operator *()
99     const char *_v{nullptr};  member
101     constexpr explicit udt2(const char *v) noexcept : _v(v) {}  in udt2()
107     constexpr const char *operator*() const noexcept { return _v; }  in operator *()
108     bool operator==(const udt1 &o) const noexcept { return _v == *o; }  in operator ==()
109     bool operator!=(const udt1 &o) const noexcept { return _v != *o; }  in operator !=()