+// Derived operators
+inline bool operator!=(const IPAddress& a, const IPAddress& b) {
+ return !(a == b);
+}
+inline bool operator>(const IPAddress& a, const IPAddress& b) {
+ return b < a;
+}
+inline bool operator<=(const IPAddress& a, const IPAddress& b) {
+ return !(a > b);
+}
+inline bool operator>=(const IPAddress& a, const IPAddress& b) {
+ return !(a < b);
+}
+
+} // namespace folly