Collection.toArray(IntFunction)

[Howard Lovatt]

You might as well return an Object array and cast it, E[] array() { E[] array = (E[])new Object[size()]; ...; return array; }, same thing as as var ags fudge does. 

Sent from my iPad

On 13/06/2013, at 3:33 PM, Zhong Yu <zhong.j.yu at gmail.com> wrote:

> On Thu, May 30, 2013 at 3:14 AM, Stephen Colebourne
> <scolebourne at joda.org> wrote:
>> On 30 May 2013 08:30, Peter Levart <peter.levart at gmail.com> wrote:
>>> String[] y = x.toArray(String[]::new);
>> 
>> Thats very nice ;-)
>> Stephen
> 
> Hmm...
>    toArray(new String[0])
>    toArray(String[]::new)
> not too much difference in syntax. Try to explain it to a newbie:)
> 
> I wish we could have something like this:
> 
>   interface Collection<E>
>   {
>        @SafeVarargs
>        E[] array(E... array);
>   }
> 
>    Collection<String> x = ...;
>    x.array();
> 
> This works because an empty String[] is passed in as the arg.
> 
> Zhong Yu
>