From: Joel de Guzman (joel_at_[hidden])
Date: 2008-01-13 01:47:47
Steven Watanabe wrote:
> Tobias Schwinger wrote:
>> Joel de Guzman wrote:
>>> c0, c1, ... cN Returns a fusion sequence of Case objects
>> seemingly equivalent to
>> (c0, c1, ... cN)
>> (note: Application of comma operator ;-)).
>> ?! Why doesn't it just return another (compound) Case object and leave
>> the Sequence an unspecified implementation detail...
> So you want switch_ to be
> template<class R, class I, class Cases>
> requires Case<Cases> && BuiltInIntegerOrEnum<I>
> R switch(I i, Cases cases);
> IMO, There is a very big problem here.
> Suppose that you have a fusion sequence that holds your
> cases and function objects coming from somewhere else.
> The problem of adapting it to switch_ is no easier than it
> would be with my original interface.
Oh man, either my headache is killing me, or I am currently in
dumb mode. I can't understand both Tobias and Steven. What's
a "compound Case object"?
-- Joel de Guzman http://www.boost-consulting.com http://spirit.sf.net
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