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Sat, 14 Sep 2013 19:05:49 GMT

attachment → BigStruct.h

POD structure whose objects should be bitwise serializable

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Sat, 14 Sep 2013 19:06:28 GMT

attachment → main.cpp

Program to demonstrate the flaw

Robert Ramey — Tue, 01 Oct 2013 12:51:12 GMT

basically I like this. But ... what happens to old archives when we change this? Example

plane old data struct A { float a; double b; ... };

if we serialize this as a block - it'll be faster even though it serializes any empty space due to structure padding. But this will look different than serializing item by item, so this will break compatibility with old archives. This would imply reving the archive format, which I might be willing to do - but that takes more time and risk so I might want to think about it some more.

Robert Ramey

Boost C++ Libraries: Ticket #9116: Binary serialization: bitwise copying should also apply to single POD objects (it now only seems to work on arrays/collections)

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