Re: [Boost-users] How to use mpl::for_each with mpl::map

Subject: Re: [Boost-users] How to use mpl::for_each with mpl::map
From: Mark (mark.snelling_at_[hidden])
Date: 2009-04-24 04:49:39

Thanks!

I wasn't aware you needed the mpl::lambda<>.

Mark.

On Apr 23, 4:46 pm, Noah Roberts <roberts.n..._at_[hidden]> wrote:
> Mark wrote:
> > int main()
> > {
> >        // Print the associated type for the 'Tuesday' enumeration
> >        std::cout << typeid( FieldTypeT< Tuesday >::type ).name() <<
> > std::endl;;
>
> >        // Print the list of enumerations
> >        mpl::for_each<
> >                _day_field_types,
> >                mpl::key_type<
> >                        mpl::map<>,
> >                        mpl::_1
>
> >        >( printer() );   // Compiler error!
> > }
>
>         // Print the list of enumerations
>         mpl::for_each
>           <
>                 _day_field_types,
>                 typename mpl::lambda
>                 <
>                   mpl::key_type
>                   <
>                     _day_field_types
>                   , mpl::_1
>                   >
>                 >::type
>         >( printer() );   // No Compiler error!
>
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