From: Stefan Behnel <scoder@users.berlios.de>
Date: Thu, 26 Nov 2009 19:51:20 +0000 (+0100)
Subject: comment
X-Git-Tag: 0.12.1~119^2~1
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=367bcd7929b20a38be096d30e4fff49267fea3f8;p=cython.git

comment
---

diff --git a/Cython/Compiler/Optimize.py b/Cython/Compiler/Optimize.py
index 51dbd767..ba50d824 100644
--- a/Cython/Compiler/Optimize.py
+++ b/Cython/Compiler/Optimize.py
@@ -1051,6 +1051,10 @@ class OptimizeBuiltinCalls(Visitor.EnvTransform):
             ])
 
     def _handle_simple_function_len(self, node, pos_args):
+        # note: this only works because we already replaced len() by
+        # PyObject_Length() which returns a Py_ssize_t instead of a
+        # Python object, so we can return a plain size_t instead
+        # without caring about Python object conversion etc.
         if len(pos_args) != 1:
             self._error_wrong_arg_count('len', node, pos_args, 1)
             return node