Logger for D

[Andrei Alexandrescu]

Graham Fawcett wrote:
> Hi Andrei,
> 
> On Wed, 12 May 2010 09:43:00 -0700, Andrei Alexandrescu wrote:
> 
>> strtr wrote:
>>> sybrandy Wrote:
>>>
>>>> Hello,
>>>>
>>>> I just wanted to let everyone know that I created a simple logging
>>>> library for D.  I wrote it as I wanted to debug my programs without
>>>> having to deal with standard output and have used it for several
>>>> little coding adventures.
>>>>
>>>> https://launchpad.net/dlogger
>>>>
>>>> The main features are:
>>>>
>>>> - Supports trace, info, dbug (debug), error, and fatal log errors. -
>>>> Logging levels can be changed while the program is running - Is thread
>>>> safe (hopefully)
>>>> - If compiled with -version=nologger, it's like you never included it.
>>>>
>>>> Besides satisfying my own needs, I felt that a logging library of some
>>>> sort would be good for Phobos, hence why I'm making this available.
>>>>
>>>> Please report any issues/suggestions to the launchpad site.
>>>>
>>>> Enjoy!
>>>>
>>>> Casey
>>> I'm pro a std.log (for D1 as well :)
>>> but shouldn't this be in .announce ?
>> Me too, but unfortunately the logger is using std.stream, which I think
>> needs replacement.
> 
> Comments like this make me nervous. :) 
> 
> How much of the stdlib do you think needs replacement? Which if any
> modules should be considered stable? Can D2 users expect that the
> stdlib in a year's time will look anything like it does now? Is there
> a formal development plan?
> 
> I appreciate that D2 and its Phobos are works in progress. But I would
> hope that a statement like "std.stream needs replacement," coming from
> a core developer, would be followed up with either a replacement plan
> or a rationale and a call-to-arms. Noblesse oblige!
> 
> Perhaps the D2 stdlib documentation should remind prominently that the
> stdlib isn't actually standardized yet, and that it should be treated
> as an experimental library.
> 
> Best,
> Graham


I understand. The word about std.stream has been out for a long time, 
and there is no similarly large overhaul planned to other parts of Phobos.

For the logger interface, I think it's enough to use an output stream 
interface with only void put(in char[]) defined.


Andrei