From: Benjamin Peterson <benjamin@python.org>
Date: Sat, 31 Jan 2009 23:43:25 +0000 (+0000)
Subject: add explanatory comment
X-Git-Tag: v2.7a1~2149
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=da9327faf743dbe4810fe10cddf3597c67d8017b;p=python

add explanatory comment
---

diff --git a/Python/compile.c b/Python/compile.c
index 44ced73c95..917f9d3b12 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -3769,6 +3769,8 @@ dict_keys_inorder(PyObject *dict, int offset)
 		return NULL;
 	while (PyDict_Next(dict, &pos, &k, &v)) {
 		i = PyInt_AS_LONG(v);
+		/* The keys of the dictionary are tuples. (see compiler_add_o)
+		   The object we want is always first, though. */
 		k = PyTuple_GET_ITEM(k, 0);
 		Py_INCREF(k);
 		assert((i - offset) < size);