external (Was: myWishList)

On Sat, 18 Jun 2005, Imam Tashdid ul Alam said:
 > I will go for Rohan's choice of keywords, 'public' to mean visible
 > to other packages (in the same jar?),

I don't believe it's possible to strict the scope of public in the
JVM.

 > 'external' to mean visible to Java (and thus any other jars). to
 > Rohan: what do you mean 'external public'?  that's superfluous!

Because of mixed Nice/Java packages where Nice methods could be
package visible but still external.

Daniel's point about being nice to all possible languages using the
library is a good one but I'd still like to provide the full power of
Nice to other Nice packages.  Thus for integration I'd probably be
writing method pairs like:

  public          int foo (int->int f) ...

  public external int fooJ(Callable c)
    = foo( int i => c.call(i) )

If some idiomatic mapping could be determined for the Java-hard parts
of the method protocol then these could potentially be generated by
the compiler.  On the other hand that mapping might be JDK version
limited/linked.

cheers
Rohan



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