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Improve docstring of list.sort (GH-8516)

This commit is contained in:
Tim Hoffmann 2019-06-01 06:10:02 +02:00 committed by Raymond Hettinger
parent 396e0a8d9d
commit 5c22476c01
2 changed files with 20 additions and 4 deletions
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12
Objects/clinic/listobject.c.h generated
View File

@ -156,7 +156,15 @@ PyDoc_STRVAR(list_sort__doc__,
"sort($self, /, *, key=None, reverse=False)\n"
"--\n"
"\n"
"Stable sort *IN PLACE*.");
"Sort the list in ascending order and return None.\n"
"\n"
"The sort is in-place (i.e. the list itself is modified) and stable (i.e. the\n"
"order of two equal elements is maintained).\n"
"\n"
"If a key function is given, apply it once to each list item and sort them,\n"
"ascending or descending, according to their function values.\n"
"\n"
"The reverse flag can be set to sort in descending order.");
#define LIST_SORT_METHODDEF \
{"sort", (PyCFunction)(void(*)(void))list_sort, METH_FASTCALL|METH_KEYWORDS, list_sort__doc__},
@ -359,4 +367,4 @@ list___reversed__(PyListObject *self, PyObject *Py_UNUSED(ignored))
{
return list___reversed___impl(self);
}
/*[clinic end generated code: output=d1d5078edb7d3cf4 input=a9049054013a1b77]*/
/*[clinic end generated code: output=73718c0c33798c62 input=a9049054013a1b77]*/

12
Objects/listobject.c
View File

@ -2197,12 +2197,20 @@ list.sort
key as keyfunc: object = None
reverse: bool(accept={int}) = False
Stable sort *IN PLACE*.
Sort the list in ascending order and return None.
The sort is in-place (i.e. the list itself is modified) and stable (i.e. the
order of two equal elements is maintained).
If a key function is given, apply it once to each list item and sort them,
ascending or descending, according to their function values.
The reverse flag can be set to sort in descending order.
[clinic start generated code]*/
static PyObject *
list_sort_impl(PyListObject *self, PyObject *keyfunc, int reverse)
/*[clinic end generated code: output=57b9f9c5e23fbe42 input=b0fcf743982c5b90]*/
/*[clinic end generated code: output=57b9f9c5e23fbe42 input=cb56cd179a713060]*/
{
MergeState ms;
Py_ssize_t nremaining;