54 inline bool eq(const T1& lhs, const T2& rhs) {  in eq()
62 inline bool neq(const T1& lhs, const T2& rhs) {  in neq()
70 inline bool lt(const T1& lhs, const T2& rhs) {  in lt()
79 inline bool gt(const T1& lhs, const T2& rhs) {  in gt()
88 inline bool lte(const T1& lhs, const T2& rhs) {  in lte()
97 inline bool gte(const T1& lhs, const T2& rhs) {  in gte()
111 inline bool operator==(const cons<T1, T2>& lhs, const cons<S1, S2>& rhs)  in operator ==()
122 inline bool operator!=(const cons<T1, T2>& lhs, const cons<S1, S2>& rhs)  in operator !=()
133 inline bool operator<(const cons<T1, T2>& lhs, const cons<S1, S2>& rhs)  in operator <()
143 inline bool operator>(const cons<T1, T2>& lhs, const cons<S1, S2>& rhs)  in operator >()
153 inline bool operator<=(const cons<T1, T2>& lhs, const cons<S1, S2>& rhs)  in operator <=()
163 inline bool operator>=(const cons<T1, T2>& lhs, const cons<S1, S2>& rhs)  in operator >=()