Collectors update
Remi Forax
forax at univ-mlv.fr
Tue Feb 5 12:46:57 PST 2013
On 02/05/2013 09:22 PM, Brian Goetz wrote:
> I concur with Kevin.
We should remove Consumer.chain() in that case.
Rémi
>
> On 2/5/2013 3:20 PM, Kevin Bourrillion wrote:
>> On Tue, Feb 5, 2013 at 11:11 AM, Remi Forax <forax at univ-mlv.fr
>> <mailto:forax at univ-mlv.fr>> wrote:
>>
>> 4. Rejigger Partition to return an array again, with an
>> explicit
>> lambda (which will likely be an array ctor ref) to make
>> the array.
>> Eliminated the silly Partition class.
>>
>>
>> Please don't do that, it's pure evil.
>> public static<T> Collector<T, Collection<T>[]>
>> partitioningBy(Predicate<T> predicate,
>> IntFunction<Collection<T>[]>
>> arraySupplier) {
>>
>>
>> I've refactored this to make the partition collectors return
>> Map<Boolean, X>.
>>
>>
>> I think returning a boolean -> T (or Boolean -> T) is better because
>> it's conceptually more lightweight than a Map.
>> I expect to see more function instead of a Map returned as result of
>> a method.
>>
>>
>> I'd have to disagree; I expect function objects to be little things I
>> pass /in/, but I think it's more intuitive to expect a proper data
>> structure back out.
>>
>>
>> --
>> Kevin Bourrillion | Java Librarian | Google, Inc. |kevinb at google.com
>> <mailto:kevinb at google.com>
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