From: dan marsden (danmarsden_at_[hidden])
Date: 2007-06-07 02:36:48
The definition of Fusion polymorphic function object will be changed shortly to be consistent with boost.resultof. Instead of requiring a nested result metafunction of the form:
template<typename T0, typename T1, ... typename TN>
typedef xxx type;
A polymorphic function object will instead simply be required to suppport
as a valid expression.
This will break some Fusion client code, specifically, if you are using
fold, accumulate, transform, or a lot of the components in the functional section
of the library, you may need to make changes to support this change.
The change should be entered into CVS head over the forthcoming weekend.
Apologies to anyone whos code this breaks, but this should make things more
consistent with the rest of boost going forwards.
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