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Re: overload init function in class/object ? [message #34981 is a reply to message #34980]

Tue, 06 May 2003 13:34

Mark Hadfield
Messages: 783
Registered: May 1995

Senior Member

"David Fanning" <david@dfanning.com> wrote in message
news:MPG.1921c851ec23ee94989b86@news.frii.com...
> paul wisehart (wisehart@runbox.com) writes:
>
>> (So technically speaking you _cannot_ overload functions in
>> IDL? You just use optional parameters to get the same effact?)
>
> Isn't that a distinction without a difference?

Not to someone who's used to C++. In that language you can have several
versions of the same function, differing only in the number (and/or type?)
of their arguments. The compiler examines the argument list at each place in
the code where the function is called and dispatches the call to the
appropriate version. Because the decision is made at compile time (C++ being
a statically typed language) it is more efficient than doing run-time checks
inside the function in the IDL manner. But less flexible.

--
Mark Hadfield "Ka puwaha te tai nei, Hoea tatou"
m.hadfield@niwa.co.nz
National Institute for Water and Atmospheric Research (NIWA)

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[Message index]

		Re: overload init function in class/object ? By: paul wisehart on Tue, 06 May 2003 18:43
		Re: overload init function in class/object ? By: JD Smith on Tue, 06 May 2003 14:32
		Re: overload init function in class/object ? By: James Kuyper on Tue, 06 May 2003 14:29
		Re: overload init function in class/object ? By: Mark Hadfield on Tue, 06 May 2003 13:55
		Re: overload init function in class/object ? By: David Fanning on Tue, 06 May 2003 13:38
		Re: overload init function in class/object ? By: Mark Hadfield on Tue, 06 May 2003 13:34
		Re: overload init function in class/object ? By: David Fanning on Tue, 06 May 2003 13:34
		Re: overload init function in class/object ? By: David Fanning on Tue, 06 May 2003 13:26
		Re: overload init function in class/object ? By: paul wisehart on Tue, 06 May 2003 13:20
		Re: overload init function in class/object ? By: paul wisehart on Tue, 06 May 2003 13:14
		Re: overload init function in class/object ? By: Mark Hadfield on Tue, 06 May 2003 12:55
		Re: overload init function in class/object ? By: David Fanning on Tue, 06 May 2003 12:48

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