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Date: Thu, 24 Apr 2014 13:33:00 +0200
From: "G.B." <rm-dash-bau-haus@dash.futureapps.de>
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Subject: Re: Your wish list for Ada 202X
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Date: 2014-04-24T13:33:00+02:00
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On 24.04.14 11:16, björn lundin wrote:
> Debugging does not help when you wan't to examine why something happend or did not happen at a running site.

A debugger can help examine a "running site",
depending on the qualities of the debugger and
on what the "running site" is offering to it.

> Logfiles do. If they contain the correct amount of logging.

Logfiles---very much part of my daily work---
require much more than a simple 'Img can achieve,
even if 'Img were made a primitive operation.

I need more flexibility than that. To match what I am
using every day, Ada would need to provide for data
introspection and for flexible output of this information.

For example, I need 'Img to produce a string that
some alread-opened logging facility will accept
as properly encoded. I also need different representations
to be produced in different locations in the program.

'Img is a "pragmatic" semi-solution, good for ASCII data,
hence good for traditional Western engineering, and
therefore set to stay forever, like C. What about this:

   X : Wide_Character := '€';  -- site handles currencies
   Y : Character := '¥';
...

   Put (Latin_1_File, X'Img);
   Put (UTF_8_File, Y'Img);