Ordering implementation for comparison between json and literals.

src/bin.rs

@@ -161,7 +161,25 @@ impl CompareContextElement for serde_json::Value {
     }
 
     fn partial_compare(&self, other: &dyn ContextElement) -> Option<Ordering> {
-        // TODO: Implement
+        // Handle other serde_json::Value
+        match other.to_any().downcast_ref::<Self>() {
+            None => (),
+            Some(other_json_value) => return None, // TODO: Implement
+        }
+        // Handle string literals
+        match other.to_any().downcast_ref::<String>() {
+            None => (),
+            Some(other_string) => {
+                return self
+                    .as_str()
+                    .map_or(None, |s| s.partial_cmp(other_string.as_str()))
+            }
+        }
+        // Handle numeric literals
+        match other.to_any().downcast_ref::<u64>() {
+            None => (),
+            Some(other_num) => return self.as_u64().map_or(None, |n| n.partial_cmp(other_num)),
+        }
         None
     }
 }