Simpler equality comparison to null

Author: cschreib

libjsonexpr/src/functions.cpp

@@ -586,45 +586,26 @@ function_registry make_default_functions() {
 
     register_function(freg, "==", &safe_eq<number_integer_t, number_integer_t>);
     register_function(freg, "==", &safe_eq<number_integer_t, number_float_t>);
-    register_function(freg, "==", &safe_eq<number_integer_t, null_t>);
     register_function(freg, "==", &safe_eq<number_float_t, number_integer_t>);
     register_function(freg, "==", &safe_eq<number_float_t, number_float_t>);
-    register_function(freg, "==", &safe_eq<number_float_t, null_t>);
     register_function(freg, "==", &safe_eq<boolean_t, boolean_t>);
-    register_function(freg, "==", &safe_eq<boolean_t, null_t>);
     register_function(freg, "==", &safe_eq<string_t, string_t>);
-    register_function(freg, "==", &safe_eq<string_t, null_t>);
     register_function(freg, "==", &safe_eq<array_t, array_t>);
-    register_function(freg, "==", &safe_eq<array_t, null_t>);
-    register_function(freg, "==", &safe_eq<null_t, number_integer_t>);
-    register_function(freg, "==", &safe_eq<null_t, number_float_t>);
-    register_function(freg, "==", &safe_eq<null_t, boolean_t>);
-    register_function(freg, "==", &safe_eq<null_t, string_t>);
-    register_function(freg, "==", &safe_eq<null_t, array_t>);
     register_function(freg, "==", &safe_eq<null_t, null_t>);
-    register_function(freg, "==", &safe_eq<null_t, object_t>);
-    register_function(freg, "==", &safe_eq<object_t, null_t>);
+    register_function(freg, "==", &safe_eq<null_t, json>);
+    register_function(freg, "==", &safe_eq<json, null_t>);
     register_function(freg, "==", &safe_eq<object_t, object_t>);
 
     register_function(freg, "!=", &safe_ne<number_integer_t, number_integer_t>);
     register_function(freg, "!=", &safe_ne<number_integer_t, number_float_t>);
-    register_function(freg, "!=", &safe_ne<number_integer_t, null_t>);
     register_function(freg, "!=", &safe_ne<number_float_t, number_integer_t>);
     register_function(freg, "!=", &safe_ne<number_float_t, number_float_t>);
-    register_function(freg, "!=", &safe_ne<number_float_t, null_t>);
     register_function(freg, "!=", &safe_ne<boolean_t, boolean_t>);
-    register_function(freg, "!=", &safe_ne<boolean_t, null_t>);
     register_function(freg, "!=", &safe_ne<string_t, string_t>);
-    register_function(freg, "!=", &safe_ne<string_t, null_t>);
     register_function(freg, "!=", &safe_ne<array_t, array_t>);
-    register_function(freg, "!=", &safe_ne<array_t, null_t>);
-    register_function(freg, "!=", &safe_ne<null_t, number_integer_t>);
-    register_function(freg, "!=", &safe_ne<null_t, number_float_t>);
-    register_function(freg, "!=", &safe_ne<null_t, boolean_t>);
-    register_function(freg, "!=", &safe_ne<null_t, string_t>);
-    register_function(freg, "!=", &safe_ne<null_t, array_t>);
     register_function(freg, "!=", &safe_ne<null_t, null_t>);
-    register_function(freg, "!=", &safe_ne<null_t, object_t>);
+    register_function(freg, "!=", &safe_ne<null_t, json>);
+    register_function(freg, "!=", &safe_ne<json, null_t>);
     register_function(freg, "!=", &safe_ne<object_t, null_t>);
     register_function(freg, "!=", &safe_ne<object_t, object_t>);