[fpc-devel] [] property overloads

[Ryan Joseph]

I just had some plans for a cool JSON class thwarted because apparently [] properties don’t allow overloading of the parameters. Can we allow multiple default properties as long as their parameters are different? I know there’s not overloading of property names but at least the parameters could be overloadable so the correct property is chosen depending on what the args are.

type
  TMyClass = class
    function GetValueWithInt(index: integer): TValue;
    function GetValueWithString(index: string): TValue;
    property IndexI[index: integer]: TValue read GetValueWithInt; default;
    property IndexS[index: string]: TValue read GetValueWithString; default;
  end;

 
o := c[index]; // IndexI wins
o := c[‘key’]; // IndexS wins

Regards,
	Ryan Joseph