columnMap

public static Map columnMap(container fields, container mandatory = conNull())
{
    int i;
    int n = conLen(fields);
    Map ret = new Map(Types::String, Types::Integer);
    for (i = 1; i <= n; i++)
        ret.insert(conPeek(fields,i), i);
    n = conLen(mandatory);
    for (i = 1; i <= n; i++)
        if (!ret.exists(conPeek(mandatory,i)))
            throw error(strFmt("@SYS26332", conPeek(mandatory,i)));
    return ret;
}
    str getField(str name)
    {
        return conPeek(rec, map.lookup(name));
    }