[boost] [bind] placeholders in namespace ::

Hello all, Do you know in which namespace Boost.Bind placeholders are actually defined? #include <boost/bind.hpp> #include <iostream> void f ( int a, int b ) { std::cout << a << " " << b << std::endl; } int main ( ) { int x = 10; boost::bind(f, 5, ::_1)(x); return 0; }

From the example above, the docs, and the source code, I am pretty sure Boost.Bind placeholders are defined in the unnamed namespace :: ... why? Isn't it a bad practice for a library to pollute the unnamed namespace?

Thanks for the clarification. --Lorenzo -- View this message in context: http://boost.2283326.n4.nabble.com/boost-bind-placeholders-in-namespace-tp39... Sent from the Boost - Dev mailing list archive at Nabble.com.