Re: Renaming vs assignment to constant

[Jeffrey Carter <spam.jrcarter.not@spam.not.acm.org>]

On 12/06/2013 08:14 AM, Simon Wright wrote:
> A poster on Stack Overflow wrote
>
>     Now : Time renames Clock;
>
> (using Ada.Calendar) which made me blink until I realised that it is the
> equivalent of
>
>     Now : constant Time := Clock;
>
> GNAT generates the same code for these two forms. Is there a difference?
> Which form is preferred?

Some people are under the impression that a renaming is more "efficient". I 
prefer that things that are constant be explicitly declared as such.

-- 
Jeff Carter
"I was in love with a beautiful blonde once, dear.
She drove me to drink. That's the one thing I'm
indebted to her for."
Never Give a Sucker an Even Break
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