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From: geoff@cs.warwick.ac.uk (Geoff Rimmer)
Newsgroups: comp.lang.c
Subject: Re: When is a statement an expression?
Message-ID: <1795@ubu.warwick.UUCP>
Date: 29 Apr 89 08:04:55 GMT
References: <1043@itivax.iti.org> <2208@pur-phy>
Sender: news@warwick.UUCP
Organization: Computer Science, Warwick University, UK
Lines: 30
In-reply-to: sho@pur-phy's message of 27 Apr 89 22:17:01 GMT

In article <2208@pur-phy> sho@pur-phy (Sho Kuwamoto) writes:
> In article <1043@itivax.iti.org> scs@vax3.iti.org (Steve Simmons) writes:
> <	a = if ( a == 1 )
> <		12 ;
> <	else
> <		14 ;
> 
> 2) "12;" cannot be executed.  It is not a legal expression.

'12'  is an expression.
'12;' is a statement.

Anything that is a valid expression (such as '12') can always be made
into a valid statement by adding a ';'.  OK, so it might not *do*
anything to have a statement "12;" but it is syntactically correct C.

> -Sho

Geoff

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