id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
2042	map insert does not work after an erase in the non-typeof implementation	Steven Watanabe	Aleksey Gurtovoy	"This test case fails.

{{{

#include <boost/mpl/map.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/mpl/insert.hpp>
#include <boost/mpl/pair.hpp>
#include <boost/mpl/erase_key.hpp>
#include <boost/mpl/at.hpp>
#include <boost/type_traits/is_same.hpp>

using namespace boost::mpl;

typedef erase_key<
  insert<
    insert<map0<>, pair<char, double> >::type,
    pair<int, float>
  >::type,
  char
>::type int_to_float_map;

typedef insert<int_to_float_map, pair<char, long> >::type with_char_too;

BOOST_MPL_ASSERT((boost::is_same<at<with_char_too, char>::type, long>));

}}}

The attached patch fixes the problem.
"	Bugs	closed	Boost 1.40.0	mpl	Boost 1.35.0	Problem	fixed