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From: siegel@endor.uucp (Rich Siegel)
Newsgroups: comp.sys.mac.programmer
Subject: Re: MPW C++ vs. THINK C 4.0
Message-ID: <3987@husc6.harvard.edu>
Date: 23 Aug 90 02:22:41 GMT
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Reply-To: siegel@endor.UUCP (Rich Siegel)
Organization: Symantec Language Products Group
Lines: 19

>
>As far as virtual overhead goes, C++ requires that the programmer make a
>decision about virtual/non-virtual for each member function.  The programmer
>has to decide up front whether a user of the class would want to override a
>function.  In Object Pascal (don't know about THINK Pascal/C), this
>optimization is made in the linker, based on how the class is used.  If the
>function isn't overridden then there is no virtual dispatching overhead.

	Just to fill in the gap - both THINK C and THINK Pascal will optimize 
monomorphic methods to avoid method dispatches.

R.



~~~~~~~~~~~~~~~
 Rich Siegel
 Staff Software Developer
 Symantec Corporation, Language Products Group