Heads up: Mapper<T, R> -> Mapper<R, T>

[Paul Sandoz]

On Nov 6, 2012, at 4:51 PM, Aleksey Shipilev <aleksey.shipilev at oracle.com> wrote:

> On 11/06/2012 10:42 AM, Paul Sandoz wrote:
>> To align better with EG discussions some nominal function types, such
>> as Mapper/FlatMapper, were modified such that the type parameter for
>> the return type is declared first rather than last.
> 
> And the rationale for Combiner<W, T, W> -> Combiner<W, W, T> in the
> reduceBy is the same?
> 

Yes, that change is the result of refactoring the type parameter order on Combiner:

  http://hg.openjdk.java.net/lambda/lambda/jdk/diff/e60b1819b652/src/share/classes/java/util/functions/Combiner.java

i.e. the last type parameter, W that is the result type, is shuffled up to become the first.

Paul.