id summary reporter owner description type status milestone component version severity resolution keywords cc 1519 lvalue-ness resurrection in transform_iterator Shunsuke Sogame Dave Abrahams "The patch for a function returning lvalue. See: http://lists.boost.org/Archives/boost/2007/12/131439.php" Patches closed Boost 1.36.0 iterator Boost Development Trunk Problem invalid transform_iterator iterator