Subject: Re: [boost] Boost.Multimethod proposal
From: Lorenzo Bettini (bettini_at_[hidden])
Date: 2009-08-24 09:56:55
Kim Barrett wrote:
> At 11:58 PM -0400 8/22/09, Edward Diener wrote:
>> This does not explain the practical purpose of multimethods. I know
>> what virtual functions are, of course. What in multimethods improves
>> on the polymorphic capabilities of virtual functions that make them a
>> practical choice for use over normal polymorphism.
> The previously referenced paper
> contains rationale discussion, including several well chosen examples where
> multiple dispatch can be beneficial.
a preprocessor for C++ implementing automatically (and safely) double
dispatch is http://doublecpp.sourceforge.net/
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