36     string                    s01 = boost::convert< string>(-1, cnv).value_or(std_str);  in int_to_str()
37     string                    s02 = boost::convert< string>(-2, cnv).value_or(c_str);  in int_to_str()
38     string                    s05 = boost::convert< string>(-5, cnv).value_or(array_str);  in int_to_str()
39     boost::optional< string> rs01 = boost::convert< string>(-1, cnv);  in int_to_str()
40     boost::optional< string> rs02 = boost::convert< string>(-2, cnv);  in int_to_str()
41     boost::optional< string> rs05 = boost::convert< string>(-5, cnv);  in int_to_str()
47     string                    s11 = boost::convert< string>(-1, cnv).value();  in int_to_str()
48     boost::optional< string> rs11 = boost::convert< string>(-1, cnv);  in int_to_str()
70     int const a00 = boost::convert<int>(not_int_str, cnv).value_or(-1);  in str_to_int()
71     int const a01 = boost::convert<int>(std_str,     cnv).value_or(-1);  in str_to_int()
72     int const a02 = boost::convert<int>(c_str,       cnv).value_or(-1);  in str_to_int()
73     int const a05 = boost::convert<int>(array_str,   cnv).value_or(-1);  in str_to_int()
84     boost::optional<int> const r00 = boost::convert<int>(not_int_str, cnv);  in str_to_int()
85     boost::optional<int> const r01 = boost::convert<int>(std_str,     cnv);  in str_to_int()
86     boost::optional<int> const r02 = boost::convert<int>(c_str,       cnv);  in str_to_int()
87     boost::optional<int> const r05 = boost::convert<int>(array_str,   cnv);  in str_to_int()
100         boost::convert<int>(not_int_str, cnv).value();  in str_to_int()
111     int a21 = boost::convert<int>(std_str,   cnv).value();  in str_to_int()
112     int a22 = boost::convert<int>(c_str,     cnv).value();  in str_to_int()
113     int a25 = boost::convert<int>(array_str, cnv).value();  in str_to_int()
123     int a31 = boost::convert<int>(std::string(), cnv).value_or(-1);  in str_to_int()
124     int a32 = boost::convert<int>(std::string(""), cnv).value_or(-1);  in str_to_int()
125     int a33 = boost::convert<int>("", cnv).value_or(-1);  in str_to_int()