Re: [Boost-users] [Lambda] Misplaced "const" causes runtime error?

int main() { std::vector > pairs; pairs.push_back(std::make_pair(1, 1)); std::vector<int> result; std::transform(pairs.begin(), pairs.end(), std::back_inserter(result), boost::mem_fn(&std::pair::first)); std::transform(pairs.begin(), pairs.end(), std::back_inserter(result), boost::bind(&std::pair::first, _1)); std::transform(pairs.begin(), pairs.end(), std::back_inserter(result), boost::lambda::bind(&std::pair::first, boost::lambda::_1)); std::cout << result[0] << ' ' << result[1] << ' ' << result[2]; }

Changing "std::pair" to "std::pair" on the line using boost::mem_fn or the line using boost::bind causes a compile-time error.

However, performing the same change on the line using boost::lambda::bind leads to a successful compile - yet at run-time result[2] is set to a seemingly random value. This has been tested on Visual C++ 7.1 SP1, 8.0 SP1 and 9.0 SP1.

Is this expected behaviour? I was expecting to see either a compile-time error or run-time success.

Seems like I saw this somewhere :) http://www.nabble.com/-boost-users--lambda--crash-in-std::for_each-td2180665...