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Issue #13411: memoryview objects are now hashable when the underlying object is hashable.

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This commit is contained in:
Antoine Pitrou 2011-11-21 20:46:33 +01:00
parent 0a3229de6b
commit ce4a9da705
9 changed files with 100 additions and 19 deletions
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15
Objects/object.c
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@ -743,6 +743,21 @@ _Py_HashPointer(void *p)
return x;
}
Py_hash_t
_Py_HashBytes(unsigned char *p, Py_ssize_t len)
{
Py_uhash_t x;
Py_ssize_t i;
x = (Py_uhash_t) *p << 7;
for (i = 0; i < len; i++)
x = (1000003U * x) ^ (Py_uhash_t) *p++;
x ^= (Py_uhash_t) len;
if (x == -1)
x = -2;
return x;
}
Py_hash_t
PyObject_HashNotImplemented(PyObject *v)
{