Add const to comparisons

9 years ago · 731322c2b8
parent 277e1b166f
commit 731322c2b8
1 changed files with 4 additions and 4 deletions
--- a/json11.hpp
+++ b/json11.hpp
@ -159,10 +159,10 @@ public:

    bool operator== (const Json &rhs) const;
    bool operator<  (const Json &rhs) const;
-    bool operator!= (const Json &rhs) { return !(*this == rhs); }
-    bool operator<= (const Json &rhs) { return !(rhs < *this); }
-    bool operator>  (const Json &rhs) { return  (rhs < *this); }
-    bool operator>= (const Json &rhs) { return !(*this < rhs); }
+    bool operator!= (const Json &rhs) const { return !(*this == rhs); }
+    bool operator<= (const Json &rhs) const { return !(rhs < *this); }
+    bool operator>  (const Json &rhs) const { return  (rhs < *this); }
+    bool operator>= (const Json &rhs) const { return !(*this < rhs); }

    /* has_shape(types, err)
     *