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#5039: make it clear that the impl. note refers to CPython.

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Georg Brandl 2009-03-30 22:43:00 +00:00
parent dbf95a3643
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Doc/reference/datamodel.rst
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@ -56,12 +56,13 @@ Objects are never explicitly destroyed; however, when they become unreachable
they may be garbage-collected. An implementation is allowed to postpone garbage they may be garbage-collected. An implementation is allowed to postpone garbage
collection or omit it altogether --- it is a matter of implementation quality 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 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 reference-counting scheme with (optional) delayed detection of cyclically linked
garbage, which collects most objects as soon as they become unreachable, but is garbage, which collects most objects as soon as they become unreachable, but is
not guaranteed to collect garbage containing circular references. See the not guaranteed to collect garbage containing circular references. See the
documentation of the :mod:`gc` module for information on controlling 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 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 keep objects alive that would normally be collectable. Also note that catching