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| author | Raymond Hettinger <python@rcn.com> | 2003-11-07 15:38:09 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2003-11-07 15:38:09 (GMT) |
| commit | 1021c44b413ebe264a6187322447ac296a0a18a7 (patch) | |
| tree | 0dec84fec0f7236cc6dc05cf13e7b3df6eaa23af /Objects/enumobject.c | |
| parent | ff1f1949820126cce5c17f15c37843ccfd100564 (diff) | |
| download | cpython-1021c44b413ebe264a6187322447ac296a0a18a7.zip cpython-1021c44b413ebe264a6187322447ac296a0a18a7.tar.gz cpython-1021c44b413ebe264a6187322447ac296a0a18a7.tar.bz2 | |
Optimize reversed(list) using a custom iterator.
Diffstat (limited to 'Objects/enumobject.c')
| -rw-r--r-- | Objects/enumobject.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Objects/enumobject.c b/Objects/enumobject.c index 998e381..8b2e6e1 100644 --- a/Objects/enumobject.c +++ b/Objects/enumobject.c @@ -174,8 +174,8 @@ reversed_new(PyTypeObject *type, PyObject *args, PyObject *kwds) if (!PyArg_UnpackTuple(args, "reversed", 1, 1, &seq)) return NULL; - /* Special case optimization for xrange */ - if (PyRange_Check(seq)) + /* Special case optimization for xrange and lists */ + if (PyRange_Check(seq) || PyList_Check(seq)) return PyObject_CallMethod(seq, "__reversed__", NULL); if (!PySequence_Check(seq)) { |