On Jan 29, 2008 10:24 AM, Ovanes Markarian <om_boost@keywallet.com> wrote:

Steven,

one additional question. In the second solution

paranthesized_type is a function type, which is passed to the temple? If so, then I need to declare somewhere an overload. Isn't it so?

Thanks,
Ovanes

There are a couple of ways to do it. You can make each element of the
Seq to be itself a seq
and then call BOOST_PP_SEQ_ENUM on the inside:

((X1)) ((X2)) ((some_other_template<T1)(T2>))

Another way is to use template metaprogramming

(X1)(X2)(parenthesize_type(wrap<some_other_template<T1, T2>>))

template<class T>
struct unparenthesize { typedef T type; };

template<class T>
struct unparenthesize<parenthesized_type(wrap<T>)> { typedef T type; };

In Christ,
Steven Watanabe

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