37     static TEST_CONSTEXPR_CXX14 size_t           length(const char_type* __s);
38 …static TEST_CONSTEXPR_CXX14 const char_type* find(const char_type* __s, size_t __n, const char_typ…
41     static TEST_CONSTEXPR_CXX14 char_type*       assign(char_type* __s, size_t __n, char_type __a);
76 constexpr_char_traits<_CharT>::length(const char_type* __s)  in length()  argument
79     for (; !eq(*__s, char_type(0)); ++__s)  in length()
86 constexpr_char_traits<_CharT>::find(const char_type* __s, size_t __n, const char_type& __a)  in find()  argument
90         if (eq(*__s, __a))  in find()
91             return __s;  in find()
92         ++__s;  in find()
131 constexpr_char_traits<_CharT>::assign(char_type* __s, size_t __n, char_type __a)  in assign()  argument
133     char_type* __r = __s;  in assign()
134     for (; __n; --__n, ++__s)  in assign()
135         assign(*__s, __a);  in assign()