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From: Daryle Walker (darylew_at_[hidden])
Date: 2005-12-06 00:38:45

Just glancing at the serialization documentation....

The (member) function templates for serialize or save & load include an
argument for the version. Where does this number come from? I guess the
core routines insert a zero for that argument, unless overridden by a
BOOST_CLASS_VERSION statement with a new number for a particular type. A
type can conditionally change how it serializes based on the given version
number. The examples show how to conditionally work with older versions in
a backwards compatible fashion. But how should a serialization routine act
if the version number given is too high? There doesn't seem to be a special
exception for it. (The "unsupported_version" exception refers to the
edition of the core routines, not a specific type's serialization.)

Daryle Walker
Mac, Internet, and Video Game Junkie
darylew AT hotmail DOT com

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