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

From: shunsuke (pstade.mb_at_[hidden])
Date: 2008-04-02 00:18:52

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