[fpc-pascal] Interface performance

Tony Whyman tony.whyman at mccallumwhyman.com
Fri Nov 11 11:01:37 CET 2016

On 11/11/16 09:46, Ryan Joseph wrote:
> I just don’t plain get it. The examples given seem to be a redundant property that could be replaced with a reference the interface itself.
Interface delegation is really just an optimisation and is equivalent to 
defining a set of methods to support the interface and each one then 
calls the same method in the "delegated" interface. IMHO, extending the 
definition of a property for this optimisation isn't exactly intuitive.

Delegated interfaces cause even more problems with reference counted COM 
interfaces. Unless you are really confident in your use of interfaces - 
just don't go there.

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