Mirror
/
cpython
mirror of https://github.com/python/cpython
4
1
Fork 0
Code Issues Releases Wiki Activity

Align functools.reduce() docstring with PEP-257 (#126045) 

Yak-shave in preparation for Argument Clinic adaption in gh-125999.
This commit is contained in:
Sergey B Kirpichev 2024-10-29 11:08:08 +03:00 committed by GitHub
parent aeafaf4cda
commit 9b14083497
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
2 changed files with 16 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
Lib/functools.py
View File

@ -238,12 +238,14 @@ def reduce(function, sequence, initial=_initial_missing):
""" """
reduce(function, iterable[, initial], /) -> value reduce(function, iterable[, initial], /) -> value
Apply a function of two arguments cumulatively to the items of a sequence Apply a function of two arguments cumulatively to the items of an iterable, from left to right.
or iterable, from left to right, so as to reduce the iterable to a single
value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates This effectively reduces the iterable to a single value. If initial is present,
((((1+2)+3)+4)+5). If initial is present, it is placed before the items it is placed before the items of the iterable in the calculation, and serves as
of the iterable in the calculation, and serves as a default when the a default when the iterable is empty.
iterable is empty.
For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5])
calculates ((((1 + 2) + 3) + 4) + 5).
""" """
it = iter(sequence) it = iter(sequence)

14
Modules/_functoolsmodule.c
View File

@ -1009,12 +1009,14 @@ Fail:
PyDoc_STRVAR(functools_reduce_doc, PyDoc_STRVAR(functools_reduce_doc,
"reduce(function, iterable[, initial], /) -> value\n\ "reduce(function, iterable[, initial], /) -> value\n\
\n\ \n\
Apply a function of two arguments cumulatively to the items of a sequence\n\ Apply a function of two arguments cumulatively to the items of an iterable, from left to right.\n\
or iterable, from left to right, so as to reduce the iterable to a single\n\ \n\
value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates\n\ This effectively reduces the iterable to a single value. If initial is present,\n\
((((1+2)+3)+4)+5). If initial is present, it is placed before the items\n\ it is placed before the items of the iterable in the calculation, and serves as\n\
of the iterable in the calculation, and serves as a default when the\n\ a default when the iterable is empty.\n\
iterable is empty."); \n\
For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5])\n\
calculates ((((1 + 2) + 3) + 4) + 5).");
/* lru_cache object **********************************************************/ /* lru_cache object **********************************************************/