From bd12982b06af56a4aca53eafe29a76a37e2fc66c Mon Sep 17 00:00:00 2001
From: Daniel Watkins <daniel@daniel-watkins.co.uk>
Date: Fri, 31 Aug 2018 18:35:00 -0400
Subject: [PATCH] Implement None == None

Fixes #111
---
 tests/snippets/json_snippet.py | 2 +-
 vm/src/pyobject.rs             | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/snippets/json_snippet.py b/tests/snippets/json_snippet.py
index 389159aea..a83d8b35d 100644
--- a/tests/snippets/json_snippet.py
+++ b/tests/snippets/json_snippet.py
@@ -38,7 +38,7 @@ assert "str" == json.loads('"str"')
 assert True == json.loads('true')
 assert False == json.loads('false')
 # TODO: uncomment once None comparison is implemented
-# assert None == json.loads('null')
+assert None == json.loads('null')
 assert [] == json.loads('[]')
 assert ['a'] == json.loads('["a"]')
 assert [['a'], 'b'] == json.loads('[["a"], "b"]')
diff --git a/vm/src/pyobject.rs b/vm/src/pyobject.rs
index 078e03829..3d628a37a 100644
--- a/vm/src/pyobject.rs
+++ b/vm/src/pyobject.rs
@@ -779,6 +779,7 @@ impl PartialEq for PyObject {
                 }
             }
             (PyObjectKind::Boolean { value: a }, PyObjectKind::Boolean { value: b }) => a == b,
+            (PyObjectKind::None, PyObjectKind::None) => true,
             _ => panic!(
                 "TypeError in COMPARE_OP: can't compare {:?} with {:?}",
                 self, other