http://xkcd.com/754/

On Tue, Jun 29, 2010 at 11:37 AM, Matt Grimm <matt.t.gr...@gmail.com> wrote:

> What is the conventional wisdom (if any) for handling conditional
> dependencies in modules?
>
> For example, I have a logger class wrapped around Log4perl that
> supports screen, email, and syslog appenders, and each appender can be
> individually toggled on or off. Is it better to force the dependencies
> on the underlying syslog and email modules at the top of the logger
> class, or is it acceptable to bury those imports in the methods that
> actually do the initialization of each appender? It sort of comes down
> to whether I want the issue detected at compile time or run time I
> suppose, but is generally frowned upon to put imports down inside
> class methods?
>
> Thanks for any insight.
>
> m.
>



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