Re: [boost] [Fusion] Notice of breaking change

From: dan marsden (danmarsden_at_[hidden])
Date: 2007-06-11 17:12:57

>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>
>struct result
>{
>    typedef xxx type;
>};
>
>A polymorphic function object will instead simply be required to suppport
>
>boost::result_of<F(A,B,...Z)>::type
>
>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.

The above change has now been applied. Docs upgrades will follow in the next few days.

Thanks

Dan

                
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