🚀 go-pugleaf

>Herb Kanner:
>What is "Objective-C"?  Pointer to book, reference manual, or article,

I thought this would be of general interest to this newsgroup:

Objective-C is a superset of regular C (Kernighan & Ritchie), developed
by Productivity Products International (PPI), 27 Glen Road, Sandy Hook,
CT 06482. Tel (203) 426-1875. They have a C preprocessor that converts 
a program written in Obj-C into ordinary C which you then compile. Here
at Fortune Systems we are writing a Spreadsheet application in Obj-C.
My overall top-of-my-head comments are that Obj-C speeds the initial
development process, mainly by virtue of its modularity and inheritance
features. Classes that are sub-classes of other classes automatically
inherit all of the instance variables and methods (=private functions)
of their superclasses. This helps in tracking down bugs, as it is fairly
easy to trace the exact code that is being executed for any function. Does
C++ do this? The disadvantages that I have found so far are the compile
time (very slow) and the run time (somewhat slower that plain C, because
of the messaging overhead, I think 1 message = approx. 2 function calls).
This is really only a problem where time is of the essence, e.g. screen I/O,
long object searches/comparisons). Feel free to contact me - I don't know
my e-mail path from the net; my phone number is (415) 598-4441. Fortune
Systems Corp, 300 harbor Blvd, Belmont, CA.

patrick