Re: [boost] Giving names to formal parameters of lambda expressions: a named placeholder trick.

2 Apr 2008


      shunsuke wrote:
...
If fold_ is DefaultConstructible and a default-constructed one is callable,
it would be:
typedef
     static_< mpl::always<
         return_of<T_regular(fold_(reverse_(T_bll_1), T_bll_2, T_bll_3))>::type
     > >
reverse_fold;
Sorry, this never works. T_regular was pointless.
After all, Boost.Lambda bind and placeholders are not usable here.
In fact, Egg secretly has its own usable placeholders, though.


Regards,

-- 
Shunsuke Sogame