More Readable Use Site extension Methods for java
brian.goetz at oracle.com
Mon Dec 6 11:52:14 PST 2010
> I propose to have use site and declaration site extension methods.
I totally understand why you would want this; there have been plenty of times
I would have enjoyed having this tool in the toolbox too.
However, we remain opposed to use-site extension methods because we believe
that the author of an API should remain in control of their API. Allowing
users to monkey-patch in new functionality to existing types undermines this
demarcation of responsibility.
(A further problem with use-site extension methods is the lack of reflective
discovery. Consumers of classfiles (such as non-Java compilers like JRuby, as
well as templating mechanism such as JSP EL) cannot easily find these
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