[fpc-devel] indexed property with default value for param?

Michael Van Canneyt michael at freepascal.org
Thu Jun 11 14:44:14 CEST 2009

On Thu, 11 Jun 2009, Jonas Maebe wrote:

> On 11 Jun 2009, at 14:14, Martin Friebe wrote:
>> However it would be nice to have a feature like
>>  property Foo[Index: Integer]: Integer  write SetFoo  read GetFoo;
>>  property Foo[Index: Integer; Ask: Boolean]: Integer  write SetFooAsk 
>> read GetFooAsk;
>> The must have different Method Names, because the Setters(write SetFoo) 
>> last argument is the Value, so it' can not have a optional Ask element:
>> procedure WrongSetFoo(Index: Integer; Ask: Boolean= True; AValue: Integer);
>> But with different Setter/Getters that would not be a problem. In fact they 
>> can have the same name, if they are overloaded.
>> Any idea if such a feature would have a chance?
> It won't: http://bugs.freepascal.org/view.php?id=12737 (that feature request 
> was about having getters/setters with the same name, but the core problem is 
> having multiple properties with the same name).

As far as I know, delphi 2005 and up allow the problem in 12737 for non-published properties.
Since array properties cannot be published anyway, the argument with RTTI is void ?

(which doesn't mean there are no other arguments to prevent it's implementation)


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