What is the best practice for flatMap replacment
Paul Sandoz
paul.sandoz at oracle.com
Thu Apr 11 05:11:01 PDT 2013
On Apr 9, 2013, at 11:59 PM, Brian Goetz <brian.goetz at Oracle.COM> wrote:
> In a few days, you'll have:
>
> Streams.singleton(e)
>
> and
>
> new StreamBuilder()
>
> to help you along.
>
Here you go:
http://hg.openjdk.java.net/lambda/lambda/jdk/rev/105d2c765fae
Paul.
> On 4/9/2013 5:31 PM, Boaz Nahum wrote:
>> My old code:
>>
>> public void flattenInto(T element, Consumer<R> sink) {
>> R r = ..
>> if (...) { sink.accept(r);
>> }
>>
>> Is replaced with:
>>
>> Stream<? extends R> apply(T element) {
>> R r = ...
>> return ? (...) : Collections.singleton(t).stream() : null;
>> }
>>
>> I wonder if I can do better.
>>
>> Thanks
>> Boaz
>>
>
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