Lambda's/Closures & Extension Methods in JDK 1.6
Brian Goetz
brian.goetz at oracle.com
Wed Sep 29 08:53:40 PDT 2010
> As I mentioned, I'm currently using them without even changing the compiler.
> They work well, but I find the syntax a bit cumbersome. I haven't found any
> brittle class issues. I should mention that the syntax was cumbersome enough
> that I didn't use them for about a year, until I started using lambdas. Now
> they have become more essential.
>
> Did you try out the solution?
A compiler-only solution fails on the following case:
interface Foo {
public extension void foo() default X.a();
}
interface Bar extends Foo {
}
class C implements Bar { }
// Compile the above classes, then recompile Bar with:
interface Bar extends Foo {
public extension void foo() default X.b();
}
// Re-run your program. Now behavior of C is wrong; you call the wrong
default when C.foo() is called.
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