Hello, FPC-Pascal users discussions
I want to notify you that fpc trunk has extensions for the class syntax.
Class can have now the next sections:
1. 'var' sections to start regular fields declaration. 'var' can be used
after other sections and after methods
2. 'class var' sections to start
Are these features available for {$mode delphi} only?
thanks,
dmitry
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Hello FPC-Pascal,
I wish to fix this bug http://bugs.freepascal.org/view.php?id=15460
but I had found serious problems to understand how data is structured
in the TBufIndex and descendant classes, specially the
TDoubleLinkedBufIndex.
Can somebody help me ? From TBufDataset.BuildIndex I think
Thank you for this message! This stuff sounds really cool. In
particular, I have been itching for class constants.
A few questions come to mind:
a. 'var' sections -- I assume that 'var' is optional when declaring
fields that occur first (i.e. directly after private, public, etc)
b. What does
David Emerson wrote:
b. What does strict private mean, as opposed to private without
strict? (My best guess is that it would be accessible only within the
methods+properties of that class within the unit, as opposed to being
available anywhere in the same unit where the class is
Doug Chamberlin wrote:
Class methods allow you to call the method without instantiating the
class first. For example, Result := TMyClass.MyClassFunction;
Oh, that is so cool! I suppose that probably means that class methods
can only reference class variables/methods/properties.
Cheers,
David
David Emerson wrote:
Doug Chamberlin wrote:
Class methods allow you to call the method without instantiating the
class first. For example, Result := TMyClass.MyClassFunction;
Oh, that is so cool! I suppose that probably means that class methods
can only reference class
Yup!
Of course, there are pros and cons to all this. Our once simple,
straightforward language is not littered with convenience features that
are not necessary at all. For example, what is the big advantage of class
methods over simple functions and procedures?
Class methods can be
On Wed, Jan 13, 2010 at 19:13, David Emerson dle...@angelbase.com wrote:
d.2. wrt class methods, can they be virtual? (This strikes me as being
closely related to d.1)
Definitely, yes! (and I believe that was available before class
vars/consts) I use this great feature for (de)serialization
-Original Message-
From: fpc-pascal-boun...@lists.freepascal.org
[mailto:fpc-pascal-boun...@lists.freepascal.org] On Behalf Of Doug Chamberlin
Sent: Wednesday, January 13, 2010 11:21 AM
To: FPC-Pascal users discussions
Subject: Re: [fpc-pascal] FPC class syntax was extended to support
On Sun, Jan 10, 2010 at 02:44:46PM +0100, Hans-Peter Suter wrote:
I'm on a mac and use TextMate currently. As it doesn't jump between
declaration and implementation and ist mac-only, I am looking for a
replacement.
Is Emacs a good choice? Does it work well with FPC?
I do my Pascal
dmitry boyarintsev wrote:
Are these features available for {$mode delphi} only?
No. For objfpc too.
Best regards,
Paul Ishenin.
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Cox, Stuart TRAN:EX wrote:
Some operations (procedures/functions) just go naturally with Classes but don't belong to any particular instance of that class.
An example might be calculating the area of overlap between two geographic polygons (instances of the class) where the function returning
David Emerson wrote:
a. 'var' sections -- I assume that 'var' is optional when declaring
fields that occur first (i.e. directly after private, public, etc)
Yes.
b. What does strict private mean, as opposed to private without
strict? (My best guess is that it would be accessible only within
Hi list
I have a class derived from Tcollection, holding items derived from
TCollectionItem. How do I swop two items in the collection? FItem is of
type TList which has an exchange function, but that is private and not
accessable to me.
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