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Diffstat (limited to 'Doc/reference/datamodel.rst')
| -rw-r--r-- | Doc/reference/datamodel.rst | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst index 643cabc..fa60723 100644 --- a/Doc/reference/datamodel.rst +++ b/Doc/reference/datamodel.rst @@ -1262,16 +1262,11 @@ Basic customization immutable (if the object's hash value changes, it will be in the wrong hash bucket). - User-defined classes have :meth:`__eq__` and :meth:`__hash__` methods by default; with them, all objects compare unequal (except with themselves) and ``x.__hash__()`` returns an appropriate value such that ``x == y`` implies both that ``x is y`` and ``hash(x) == hash(y)``. - .. impl-detail:: - - CPython uses ``hash(id(x))`` as the default hash for class instances. - Classes which inherit a :meth:`__hash__` method from a parent class but change the meaning of :meth:`__eq__` such that the hash value returned is no longer appropriate (e.g. by switching to a value-based concept of equality |