From 330cf6d04a5825d606fa5cb34eed0062a4e764b3 Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Sun, 2 Feb 2014 13:38:21 +0000
Subject: [PATCH] Change id to return signed integer.

---
 py/builtin.c               | 2 +-
 tests/basics/builtin_id.py | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/py/builtin.c b/py/builtin.c
index 333119bca6..4564d15756 100644
--- a/py/builtin.c
+++ b/py/builtin.c
@@ -366,7 +366,7 @@ static mp_obj_t mp_builtin_bytes(uint n_args, const mp_obj_t *args) {
 MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_bytes_obj, 1, 3, mp_builtin_bytes);
 
 static mp_obj_t mp_builtin_id(mp_obj_t o_in) {
-    return mp_obj_new_int_from_uint((machine_uint_t)o_in);
+    return mp_obj_new_int((machine_int_t)o_in);
 }
 
 MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_id_obj, mp_builtin_id);
diff --git a/tests/basics/builtin_id.py b/tests/basics/builtin_id.py
index de236945f0..4874f355b4 100644
--- a/tests/basics/builtin_id.py
+++ b/tests/basics/builtin_id.py
@@ -1,2 +1,9 @@
 print(id(1) == id(2))
 print(id(None) == id(None))
+print(id([]) == id([]))
+
+l = [1, 2]
+print(id(l) == id(l))
+
+f = lambda:None
+print(id(f) == id(f))