Re: Understanding Visibility

["Thomas Løcke" <thomas@12boo.net>]

On 09/17/2012 10:42 PM, tonyg wrote:
>
> I needed to log some stuff from several tasks in one program. So I wrote a little logging package. I used a package containing several text_io.file_types followed by a protected object to make sure the file operations were not interfered with.
>      However when things were passed through to inside the protected object I found that the file was not taking the information being passed to it. Can anyone explain this to me, as I think the file should be visible.
>


You could take a peek at how they solved the problem in the GNATCOLL
package, specifically the Traces part:

http://docs.adacore.com/gnatcoll-docs/traces.html

It works flawlessly, or rather I've not been able to trash it yet. :D

Another option is Alog from codelabs:  http://www.codelabs.ch/alog/

And a third one is grabbing AWS and look at their AWS.Log package.

Lots of good stuff to learn from.

Personally I use GNATCOLL.Traces for most of my logging needs, as it
can log to syslogd, which I find very handy.

-- 
Thomas L�cke | thomas@12boo.net | http://12boo.net