Re: [Boost-users] [Lambda] Handling Bind/Lambda name clashes.

Subject: Re: [Boost-users] [Lambda] Handling Bind/Lambda name clashes.
From: Peter Dimov (pdimov_at_[hidden])
Date: 2011-04-05 09:27:32

Robert Jones wrote:

...

> int main( )
> {
>     boost::lambda::placeholder1_type x;
>     boost::lambda::placeholder2_type y;
>
>     std::vector<X> v;
>
>     std::accumulate( boost::begin( v ), boost::end( v ), 0, bind( sum, x, 
> bind( &X::f, y ) ) );
> }

You're relying on argument-dependent lookup here and it works only because x 
and y happen to be in namespace boost::lambda. A using declaration for 
boost::lambda::bind:

    using boost::lambda::bind;

should be a better choice.