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Diffstat (limited to 'Doc/library/sys.rst')
| -rw-r--r-- | Doc/library/sys.rst | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst index 3b9bbb0..e2a2f72 100644 --- a/Doc/library/sys.rst +++ b/Doc/library/sys.rst @@ -446,6 +446,30 @@ always available. Changed to a named tuple and added *service_pack_minor*, *service_pack_major*, *suite_mask*, and *product_type*. + +.. data:: hash_info + + A structseq giving parameters of the numeric hash implementation. For + more details about hashing of numeric types, see :ref:`numeric-hash`. + + +---------------------+--------------------------------------------------+ + | attribute | explanation | + +=====================+==================================================+ + | :const:`width` | width in bits used for hash values | + +---------------------+--------------------------------------------------+ + | :const:`modulus` | prime modulus P used for numeric hash scheme | + +---------------------+--------------------------------------------------+ + | :const:`inf` | hash value returned for a positive infinity | + +---------------------+--------------------------------------------------+ + | :const:`nan` | hash value returned for a nan | + +---------------------+--------------------------------------------------+ + | :const:`imag` | multiplier used for the imaginary part of a | + | | complex number | + +---------------------+--------------------------------------------------+ + + .. versionadded:: 3.2 + + .. data:: hexversion The version number encoded as a single integer. This is guaranteed to increase |