Re: Generics - Is this possible?
Patricia Shanahan wrote:
Lew wrote:
Andreas Leitgeb wrote:
Patricia Shanahan <pats@acm.org> wrote:
Here's a solution that I just worked out for my own use:
public class IteratorToIterable<T> implements Iterable<T> {
[...]
}
final Iterator<String> itStr= Arrays.asList("1","2","3").iterator();
for (String s:
new Iterable<String>() {
public Iterator<String> iterator() { return itStr; }
}
)
{
System.out.println(s);
}
Perhaps less elegant, but shorter :-)
for ( String s : new String [] { "1","2","3", } )
{
System.out.println(s);
}
I think you missed the context. We were discussing the situation in
which an Iterator is available but not an Iterable. I'm sure the itStr
declaration was just a way of getting into that situation, and Andreas
would not use such an indirect approach to iterate over an array.
Perhaps I did miss it, or perhaps I made a larger point about how the lack of
an Iterable may be much less of a problem in practice.
--
Lew
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