From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2008-08-20 13:46:17
Boris wrote:
> Andrey,
>
> can you tell me why the following program writes the second message?
>
> ----------
[snip]
> boost::log::sources::severity_logger logger;
>
> int main()
> {
[snip]
> boost::log::logging_core::get()->set_filter(boost::log::filters::attr<int>("Severity")
> < warn);
>
> BOOST_LOG(logger) << "second message"; // Why is this message written??
> }
> ----------
>
> The first message is not written as the severity level warn is greater
> than info. However for the second message the default severity level
> info is smaller than warn. Thus I would expect the second message is not
> written either? Is this a bug?
The default severity will be 0, since the logger is default-constructed.
And since you set the filter to pass everything with level below warn
(which is 1), the second message passes the filter.