Re: [Boost-users] Unit Test problem with wstrings

Sean Rohead wrote:

std::string narrow(std::wstring source) { std::string result(source.size(), char(0)); typedef std::ctype ctype_t; const ctype_t& ct = std::use_facet(std::locale()); ct.narrow(source.data(), source.data() + source.size(), '\u00B6', &(*result.begin())); return result; }

Not that this is likely to have anything to do with the error, but you mustn't use string::begin() like that. The sequence of characters is not guaranteed to be an array. If you want that guarantee, use a vector instead. Ben.