Re: using `use' : what is the best practice ?

["Yannick Duchêne (Hibou57)" <yannick_duchene@yahoo.fr>]

Le Wed, 08 Jun 2011 01:38:53 +0200, Shark8 <onewingedshark@gmail.com> a  
écrit:
> While this is true it can be handy for reducing prefix-clutter,
> as could a rename. So, while you may be hesitant to use them on the
> package, I find using them in declare-blocks and subprograms to be
> quite readable and usable.
>
> With
> Ada.Text_IO;
>
> Package Body Example is
>  [...]
>  Procedure Something_Interesting is
>    Use Ada.Text_IO; -- We're debugging here.
>  begin
>    [...]
>   Put_Line( "Debugging marker." );
>    [...]
>  end Something_interesting;
> End Example;
That's a common idiom in Jean Pierre Rosen's source ;)

> Ah, I like to use the comma-separated forms of use/with; this can be
> helpful if you wish to do a quick commenting out of a use or with to
> pass to the compiler and see if you really need it at all.
>
> EX:
> With
> Ada.Text_IO,
> --Ada.Integer_IO, -- Am I even using Ada.Integer_IO?
> --Ada.Tags,
> --MY_PARSING_PACKAGE,
> [...]
> MY_CONSOLE_MANIPULATION_PACKAGE
To talk again about him, you may also use his AdaDep tool for that purpose  
;)
Have a look: http://www.adalog.fr/compo2.htm#adadep

-- 
“Syntactic sugar causes cancer of the semi-colons.”  [Epigrams on  
Programming — Alan J. — P. Yale University]
“Structured Programming supports the law of the excluded muddle.” [Idem]
“c++; /* this makes c bigger but returns the old value */” [Anonymous]