gistfile1.txt

inline
std::string
read_file( char const* path, boost::json::error_code& ec )
{
    file f;
    f.open( path, "r", ec );
    if(ec)
        return {};
    std::string s;
    s.resize( f.size() );
    s.resize( f.read( &s[0], s.size(), ec) );
    if(ec)
        return {};
    return s;
}