diff options
| author | Georg Brandl <georg@python.org> | 2009-03-15 21:44:43 (GMT) |
|---|---|---|
| committer | Georg Brandl <georg@python.org> | 2009-03-15 21:44:43 (GMT) |
| commit | 5a95b21fee671bde9ab843a6a503cce5dafeb002 (patch) | |
| tree | 71a68858d1ddff8d16f38f8b8c74561000098ccf /Doc/library/contextlib.rst | |
| parent | ed4cefbedd1817247b94e5880f850bc1c3f6628d (diff) | |
| download | cpython-5a95b21fee671bde9ab843a6a503cce5dafeb002.zip cpython-5a95b21fee671bde9ab843a6a503cce5dafeb002.tar.gz cpython-5a95b21fee671bde9ab843a6a503cce5dafeb002.tar.bz2 | |
#5491: clarify nested() semantics.
Diffstat (limited to 'Doc/library/contextlib.rst')
| -rw-r--r-- | Doc/library/contextlib.rst | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Doc/library/contextlib.rst b/Doc/library/contextlib.rst index 8c10c95..935afee 100644 --- a/Doc/library/contextlib.rst +++ b/Doc/library/contextlib.rst @@ -63,14 +63,15 @@ Functions provided: from contextlib import nested - with nested(A, B, C) as (X, Y, Z): + with nested(A(), B(), C()) as (X, Y, Z): do_something() is equivalent to this:: - with A as X: - with B as Y: - with C as Z: + m1, m2, m3 = A(), B(), C() + with m1 as X: + with m2 as Y: + with m3 as Z: do_something() Note that if the :meth:`__exit__` method of one of the nested context managers |