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From: terryh@ukcsd.uk.sun.com (Terry Heatlie - Sun UK - Tech Support )
Newsgroups: comp.lang.c,comp.std.c
Subject: Re: difference between c++; and ++c;
Keywords: pre post increment decrement grammar style
Message-ID: <3614@texsun.Central.Sun.COM>
Date: 10 Apr 91 11:20:06 GMT
References: <1991Apr08.161444.10025@cs.ruu.nl> <389@civet.ukc.ac.uk> <3730@inews.intel.com>
Sender: news@texsun.Central.Sun.COM
Reply-To: terryh@ukcsd.uk.sun.com (Terry Heatlie - Sun UK - Tech Support )
Followup-To: comp.lang.c
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In article <3730@inews.intel.com>, bhoughto@nevin.intel.com (Blair P.
Houghton) writes:
|> In article <389@civet.ukc.ac.uk> mtr@ukc.ac.uk (M.T.Russell) writes:
|> >Notionally we have:
|> [...I have no joke here, I just like the proper use of the word
"notionally..."]
|> [ :-) and I need a little inews-inclusion-meter fodder :-( ]
|> >   i++;	  "Save the current value of i, increment i then discard
|> >	   the value just saved"
|> >   ++i;   "Increment i then discard the resulting value"
|> >Obviously most compilers will generate exactly the same code for
|> >either case, but it is nice to express what you mean as directly as
|> >possible.
|> 
|>     i += 1;	"Increment i."
Of course the value of i+=1 is 1, so this is really
"increment i and discard the resulting value"
|> 
|> 				--Blair
|> 				  "Notionally, 'mu.'"

Regards,
Terry Heatlie.

Disclaimer:  all my own work (except this disclaimer, which I nicked).