From c1d9bbc3453454aceb28f51e72e4aeb8ef1c12eb Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky
Date: Thu, 30 Jan 2014 04:37:19 +0200
Subject: Implement __bool__ and __len__ via unary_op virtual method for all
 types.

__bool__() and __len__() are just the same as __neg__() or __invert__(),
and require efficient dispatching implementation (not requiring search/lookup).
type->unary_op() is just the right choice for this short of adding
standalone virtual method(s) to already big mp_obj_type_t structure.
---
 tests/basics/true-value.py | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'tests/basics/true-value.py')

diff --git a/tests/basics/true-value.py b/tests/basics/true-value.py
index 6ba410ddc..1dd547f32 100644
--- a/tests/basics/true-value.py
+++ b/tests/basics/true-value.py
@@ -3,9 +3,18 @@
 if not False:
     print("False")
 
+if not None:
+    print("None")
+
 if not 0:
     print("0")
 
+if not 0.0:
+    print("float 0")
+
+if not 0+0j:
+    print("complex 0")
+
 if not "":
     print("Empty string")
 if "foo":
-- 
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