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Diffstat (limited to 'Doc/reference/datamodel.rst')
| -rw-r--r-- | Doc/reference/datamodel.rst | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst index 622c7f4a38..2bce677a40 100644 --- a/Doc/reference/datamodel.rst +++ b/Doc/reference/datamodel.rst @@ -59,12 +59,13 @@ Objects are never explicitly destroyed; however, when they become unreachable they may be garbage-collected. An implementation is allowed to postpone garbage collection or omit it altogether --- it is a matter of implementation quality how garbage collection is implemented, as long as no objects are collected that -are still reachable. (Implementation note: the current implementation uses a +are still reachable. (Implementation note: CPython currently uses a reference-counting scheme with (optional) delayed detection of cyclically linked garbage, which collects most objects as soon as they become unreachable, but is not guaranteed to collect garbage containing circular references. See the documentation of the :mod:`gc` module for information on controlling the -collection of cyclic garbage.) +collection of cyclic garbage. Other implementations act differently and CPython +may change.) Note that the use of the implementation's tracing or debugging facilities may keep objects alive that would normally be collectable. Also note that catching |