Notes on implementing concise calls to constructors with type parameters

Ulf Zibis Ulf.Zibis at gmx.de
Thu May 14 17:07:45 PDT 2009


Am 15.05.2009 01:57, Alex Buckley schrieb:
> Ulf Zibis wrote:
>>>> My guess is, that this problem could be managed by javac option 
>>>> "-source 1.7", but I'm not sure if there are some reasons against 
>>>> this.
>>>
>>> You're effectively suggesting that migration compatibility be 
>>> dropped in JDK7. A language change of this magnitude is far beyond 
>>> the scope of Project Coin.
>>>
>>> Alex
>>>
>>
>> Yes, you got it. This is exactly what I wanted to say.
>> This potentially would make constructs like
>>   Cell<String> cs = new Cell<>(1)
>> _superfluous_.
>>
>> My additional question was, if anybody has an idea, if that would 
>> break some other things, I'm not aware of.
>
> Obviously dropping raw types has an impact anywhere that type names 
> can be used. Since that's every class, interface, and variable 
> declaration, I'm not sure we need to spend much time calculating how 
> it would affect people moving pre-1.5 code to 1.7 - it obviously stops 
> them cold.

It should have stopped them more cold in experiencing a consequently 
occurring CCE at runtime.  ;-)
-Ulf





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