Add a comment making it explicit that itertools.tee() is already 64bit-safe (issue #19049)
diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c
index 0123181..8be62ce 100644
--- a/Modules/itertoolsmodule.c
+++ b/Modules/itertoolsmodule.c
@@ -401,7 +401,7 @@
typedef struct {
PyObject_HEAD
PyObject *it;
- int numread;
+ int numread; /* 0 <= numread <= LINKCELLS */
PyObject *nextlink;
PyObject *(values[LINKCELLS]);
} teedataobject;
@@ -409,7 +409,7 @@
typedef struct {
PyObject_HEAD
teedataobject *dataobj;
- int index;
+ int index; /* 0 <= index <= LINKCELLS */
PyObject *weakreflist;
} teeobject;