id summary reporter owner description type status milestone component version severity resolution keywords cc 8344 C4244 in dynamic_bitset.hpp due to std::size_t and std::streamsize type difference anonymous acharles "getting warning when using operator<<(std::basic_ostream& os, const dynamic_bitset& b) on a dynamic_bitset instance: boost\dynamic_bitset\dynamic_bitset.hpp(1432): warning C4244: 'initializing' : conversion from 'std::streamsize' to 'size_t', possible loss of data (warning translated by myself, since i'm using a german version of visual studio 2012)" Bugs closed Boost 1.56.0 dynamic_bitset Boost 1.53.0 Problem fixed