Re: [boost] [bind] BOOST_BIND_NO_PLACEHOLDERS and unspecified-placeholder-type's

Subject: Re: [boost] [bind] BOOST_BIND_NO_PLACEHOLDERS and unspecified-placeholder-type's
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2014-03-25 10:48:19

AMDG

On 03/24/2014 12:10 AM, Joaquín Mª López Muñoz wrote:
> The non-documented BOOST_BIND_NO_PLACEHOLDERS macro suppresses the
> definition of  (anonymous namespace)::_1,
> (anonymous namespace)::_2, etc., presumably to cope with potential
> clashes with other libs' placeholders such as
> Boost.Lambda's when in the presence of using directives. The problem
> with this is that using Boost.Bind without placeholder
> names requires writing code such as
> 
>   bind(f,boost::arg<1>(),boost::arg<2>());
> 

The other solution is to define your own placeholders.
You just need to specialize boost::is_placeholder.

In Christ,
Steven Watanabe