Extension methods

[Joseph D. Darcy]

Rémi Forax wrote:
> There is a real problem of performance with extension methods
> (at least with Hotspot).
> Extension methods create megamorphic call sites
> and Hotspot is not able to inline them.
>
> Rémi
>
>   

Mark has not yet published a proposal or sketch for extension methods or 
closures.

If extension methods are added to the platform, that will presumably 
provide motivation for the HotSpot team to create polymorphic inline 
caches to better handle megamorphic call sites :-)

-Joe