From 9851a2556dbf24516bdb6ec3548fc34b9fa91875 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Sat, 16 May 2020 13:40:56 -0400
Subject: [PATCH] Ordering implementation for comparison between json and
 literals.

---
 src/bin.rs | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/bin.rs b/src/bin.rs
index c72d00d..7e41d8d 100644
--- a/src/bin.rs
+++ b/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
     }
 }