From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2008-05-13 12:29:53
Marco Costalba wrote:
> BTW MSF implementation _really_ needs set() and not only operator=(),
> because for SFINAE to work I need an additional (hidden) argument for
> each assignment call. Indeed if you look at overload.hpp, operator=()
> implementation is just:
> template<typename Fun>
> function& operator=(Fun const& f)
> return *this;
> And set() is a public method so it is usable directly by the user.
For everything but constructors, you can use SFINAE on the return type.
typename boost::enable_if<..., function&>::type operator=(Fun const& f);
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