From a3b84fb2f9d555e9efac556ea24f4ad75a54b4c8 Mon Sep 17 00:00:00 2001 From: Stefan Krah Date: Sun, 2 Sep 2012 14:50:56 +0200 Subject: Issue #15814: Documentation: disallow hashing of multi-dimensional memoryviews. --- Doc/library/stdtypes.rst | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst index 23d7fe1..90f3e54 100644 --- a/Doc/library/stdtypes.rst +++ b/Doc/library/stdtypes.rst @@ -2376,8 +2376,9 @@ copying. >>> data bytearray(b'z1spam') - Memoryviews of hashable (read-only) types with formats 'B', 'b' or 'c' - are also hashable. The hash is defined as ``hash(m) == hash(m.tobytes())``:: + One-dimensional memoryviews of hashable (read-only) types with formats + 'B', 'b' or 'c' are also hashable. The hash is defined as + ``hash(m) == hash(m.tobytes())``:: >>> v = memoryview(b'abcefg') >>> hash(v) == hash(b'abcefg') @@ -2388,12 +2389,13 @@ copying. True .. versionchanged:: 3.3 - Memoryview objects with formats 'B', 'b' or 'c' are now hashable. + One-dimensional memoryviews with formats 'B', 'b' or 'c' are now hashable. .. note:: - Hashing of memoryviews with formats other than 'B', 'b' or 'c' is - possible in version 3.3.0, but will raise an error in 3.3.1 in order - to be compatible with the new memoryview equality definition. + Hashing of memoryviews with formats other than 'B', 'b' or 'c' as well + as hashing of multi-dimensional memoryviews is possible in version 3.3.0, + but will raise an error in 3.3.1 in order to be compatible with the new + memoryview equality definition. :class:`memoryview` has several methods: -- cgit v0.12