Revisiting primitives in generics: This can *NOT* be delayed for later.
fweimer at bfk.de
Mon Jul 19 06:58:37 PDT 2010
* John Nilsson:
> I'm note sure I understand why this is a problem. But if it is, why
> not fix it?
> So I understand it correct that there is no runtime lookup for a
> compatible method (supertype of DoubleComparator)? If so, why not add
> this to the runtime?
This would work. However, you still break backwards compatibility (at
the source level, not the binary level) when a user has defined
methods like this:
, assuming that Comparator<Double> and Comparator<double> have the
same erasure (at least at the Java level).
Retrofitting a class to implement an interface is only safe if the
interface is new.
Florian Weimer <fweimer at bfk.de>
BFK edv-consulting GmbH http://www.bfk.de/
Kriegsstraße 100 tel: +49-721-96201-1
D-76133 Karlsruhe fax: +49-721-96201-99
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