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Posted by Sanders Kaufman on 07/25/07 18:02
Toby A Inkster wrote:
> Sanders Kaufman wrote:
>
>> In your case, every time my object is initialized, it would make TWO
>> function calls, instead of one - one to the constructor, and one to the
>> init().
>
> http://www.google.co.uk/search?q=premature+optimisation
>
> For heaven's sake, this is a *database* class. The overhead of an extra
> function call is the *least* of your worries.
Yeah - it's not the biggest performance hit ever, is it?
But a core design principle is to not use resources unnecessarily - so
calling TWO functions each time an object is created would violate that
principle.
OOP design principles are a *desirable* thing - but performance is an
imperative.
> Whenever you have to choose between code efficiency and readability,
> choose readability: development time is more expensive than CPU time.
I don't see it as being LESS readable.
Indeed, by calling it directly - instead of calling a reinit that calls
the constructor (or vice versa) it actually reduces the complexity of
the readability.
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