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Programming > Pascal Ansi -iso > Re: function as...
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Re: function as a pointer.

by John Reagan <john.reagan@[EMAIL PROTECTED] > Dec 14, 2006 at 03:10 PM

Chris Burrows wrote:

> However, on further investigation, I was mistaken, as that is OK. There
is 
> only a problem is if you tried to dereference a pointer function:
> 
> e.g. node := myfun()^.next
> 
> You have to do this in two steps:
> 
> temp := myfun();
> node := temp^.next;

Just to point out that Extended Pascal added the ability to have a 
function identified variable to make "myfun()^.next" legal (see sections 
6.5.1 (for the definition of variable-access) and 6.8.6.4 (for the 
definition of function-identified-variable))

-- 
John Reagan
HP Pascal/{A|I}MACRO/COBOL for OpenVMS Project Leader
Hewlett-Packard Company
 




 16 Posts in Topic:
function as a pointer.
"steelman22" &l  2006-12-13 12:50:35 
Re: function as a pointer.
"Chris Burrows"  2006-12-14 12:18:26 
Re: function as a pointer.
CBFalconer <cbfalconer  2006-12-13 21:45:35 
Re: function as a pointer.
"Chris Burrows"  2006-12-14 14:50:51 
Re: function as a pointer.
John Reagan <john.reag  2006-12-14 15:10:25 
Re: function as a pointer.
CBFalconer <cbfalconer  2006-12-13 20:22:40 
Re: function as a pointer.
Waldek Hebisch <hebisc  2006-12-14 19:24:48 
Re: function as a pointer.
John Reagan <john.reag  2006-12-15 16:49:02 
Re: function as a pointer.
scott moore <nospam@[E  2006-12-16 09:55:57 
Re: function as a pointer.
John Reagan <john.reag  2006-12-20 00:45:08 
Re: function as a pointer.
scott moore <nospam@[E  2006-12-20 10:13:07 
Re: function as a pointer.
"Chris Burrows"  2006-12-21 09:55:38 
Re: function as a pointer.
CBFalconer <cbfalconer  2006-12-20 23:26:40 
Re: function as a pointer.
John Reagan <john.reag  2007-01-02 15:21:12 
Re: function as a pointer.
scott moore <nospam@[E  2007-01-02 07:59:18 
Re: Standards Committees (was: function as a pointer).
"Chris Burrows"  2007-01-03 10:01:01 

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tan12V112 Sat Jul 26 0:21:56 CDT 2008.