mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-04 00:48:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

Expose dict_contains() and PyDict_Contains() with is about 10% faster

Browse source 
than PySequence_Contains() and more clearly applicable to dicts.

Apply the new function in setobject.c where __contains__ checking is
ubiquitous.
This commit is contained in:
Raymond Hettinger 2003-11-25 21:12:14 +00:00
parent 3972457de7
commit bc0f2ab9bb
5 changed files with 26 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

7
Objects/dictobject.c
View file

@ -1814,10 +1814,11 @@ static PyMethodDef mapp_methods[] = {
{NULL, NULL} /* sentinel */
};
static int
dict_contains(dictobject *mp, PyObject *key)
int
PyDict_Contains(PyObject *op, PyObject *key)
{
long hash;
dictobject *mp = (dictobject *)op;
if (!PyString_CheckExact(key) ||
(hash = ((PyStringObject *) key)->ob_shash) == -1) {
@ -1837,7 +1838,7 @@ static PySequenceMethods dict_as_sequence = {
0, /* sq_slice */
0, /* sq_ass_item */
0, /* sq_ass_slice */
(objobjproc)dict_contains, /* sq_contains */
(objobjproc)PyDict_Contains, /* sq_contains */
0, /* sq_inplace_concat */
0, /* sq_inplace_repeat */
};