functional.h

 
#pragma once
 
#if __cplusplus >= 201103L
 
#include <functional>
 
namespace mongo {
namespace stdx {
 
using ::std::bind;
using ::std::function;
namespace placeholders = ::std::placeholders;
 
}  // namespace stdx
}  // namespace mongo
 
#else
 
#include <boost/bind.hpp>
#include <boost/function.hpp>
 
namespace mongo {
namespace stdx {
 
using boost::bind;
using boost::function;
 
namespace placeholders {
static boost::arg<1> _1;
static boost::arg<2> _2;
static boost::arg<3> _3;
static boost::arg<4> _4;
static boost::arg<5> _5;
static boost::arg<6> _6;
static boost::arg<7> _7;
static boost::arg<8> _8;
static boost::arg<9> _9;
}  // namespace placeholders
 
}  // namespace stdx
}  // namespace mongo
 
#endif