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Date: Tue, 29 May 2001 10:15:54 +0100
From: Philip Anderson <phil.anderson@amsjv.com>
Organization: Alenia Marconi Systems ISD
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Subject: Re: package body functionality
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Date: 2001-05-29T10:15:54+01:00
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Ken Garlington wrote:
> 
> If you're asking "are these different," the only difference I can think of
> is that a given compiler *might* optimize them differently, up to and
> including eliminating the variable altogether!


There could be other differences because of the order of actions,

e.g.

package body A is
  variable: some_type:=call_some_function_outside_A;
  V2 : some_type := variable;
end A;
&
package body B is
  variable: some_type;
  V2 : some_type := variable;  -- default/uninitialised value of
variable
begin
  variable:=call_some_function_outside_B;
end B;


The second option also allows you to include an exception handler to
catch any exception raised by function outside B

-- 
hwyl/cheers,
Philip Anderson
Alenia Marconi Systems
Cwmbr�n, Cymru/Wales