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| author | Raymond Hettinger <python@rcn.com> | 2004-03-21 17:01:44 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2004-03-21 17:01:44 (GMT) |
| commit | 93d448198b2a883639ed2c2e30f1f0fd7f002a90 (patch) | |
| tree | 9346cb22d2aa1033cb6a66f273951260f18f05cf | |
| parent | 07973dab97e64f661120d817865b23d88f50b93b (diff) | |
| download | cpython-93d448198b2a883639ed2c2e30f1f0fd7f002a90.zip cpython-93d448198b2a883639ed2c2e30f1f0fd7f002a90.tar.gz cpython-93d448198b2a883639ed2c2e30f1f0fd7f002a90.tar.bz2 | |
Add identity shortcut to PyObject_RichCompareBool.
| -rw-r--r-- | Objects/object.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Objects/object.c b/Objects/object.c index b913a06..bda27e0 100644 --- a/Objects/object.c +++ b/Objects/object.c @@ -871,9 +871,19 @@ Done: int PyObject_RichCompareBool(PyObject *v, PyObject *w, int op) { - PyObject *res = PyObject_RichCompare(v, w, op); + PyObject *res; int ok; + /* Quick result when objects are the same. + Guarantees that identity implies equality. */ + if (v == w) { + if (op == Py_EQ) + return 1; + else if (op == Py_NE) + return 0; + } + + res = PyObject_RichCompare(v, w, op); if (res == NULL) return -1; if (PyBool_Check(res)) |