DevoxxUK Lambdas Lab

[Richard Warburton]

>
>   Stream<Integer> s = Arrays.asList(1, 2, 3, 4).stream();
>   IntStream is = s.mapToInt(Integer::intValue);
>
> Things have been moving fast so i don't know if the lambda build you used
> had the overloaded map methods or map/mapToInt etc.
>

We were using b82, which has a map function with overloads on primitive
Functional Interfaces.

Thanks for clarifying the correct idiom.  For the record I saw several
people do something like:

ToDoubleFunction toDouble = d -> (double) d;
DoubleStream ds = s.map(toDouble);

regards,

  Richard Warburton

  http://insightfullogic.com
  @RichardWarburto <http://twitter.com/richardwarburto>