Alexander Belopolsky <[email protected]> added the comment:
On the second thought, this comment:
- /* Cached hash code of me_key. Note that hash codes are C longs.
- * We have to use Py_ssize_t instead because dict_popitem() abuses
- * me_hash to hold a search finger.
- */
suggests that a union may be appropriate here. I am not sure of the standards
standing of anonymous unions, but if we could do
union {
Py_ssize_t me_finger;
long me_hash;
};
it would cleanly solve the problem. If anonymous unions are not available, a
regular union could also do the trick:
union {
Py_ssize_t finger;
long hash;
} me;
and use me.finger where me is used as search finger and me.hash where it stores
hash. Less clever naming scheme would be welcome, though.
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<http://bugs.python.org/issue1646068>
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