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Re: Java 8 Lambda with generic types

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On 8/28/2016 1:43 PM, Stone Zhong wrote:
> <quote>
> @SuppressWarnings("rawtypes")
> public static void checkToys(Toy ... toys) {
> </quote>
>
> It is not always possible or the best approach to use rawtypes,
> for example,
> say you have a interface called Duck
>
> public interface Duck {
>     void squeak();
> }
>
> And you need
>     public static void checkDuckToys(Toy<? extends Duck> ... toys) {
>         for (Toy<? extends Duck> toy : toys) {
>             for (Duck duck : toy.get()) {
>                 duck.squeak();
>             }
>         }
>     }

True.

And I can not see any easy workarounds.

But I also think that the case is too rare to consider it a real
problem with Java 8 lambda type inference.

Arne

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Thread

Java 8 Lambda with generic types Stone Zhong <stone.zhong@gmail.com> - 2016-08-27 23:50 -0700
  Re: Java 8 Lambda with generic types Stone Zhong <stone.zhong@gmail.com> - 2016-08-28 00:02 -0700
    Re: Java 8 Lambda with generic types Arne Vajhøj <arne@vajhoej.dk> - 2016-08-28 07:46 -0400
      Re: Java 8 Lambda with generic types Steven Simpson <ss@my.domain.invalid> - 2016-08-28 15:00 +0100
        Re: Java 8 Lambda with generic types Lew <lewbloch@gmail.com> - 2016-08-30 22:25 -0700
          Re: Java 8 Lambda with generic types Steven Simpson <ss@my.domain.invalid> - 2016-08-31 17:19 +0100
  Re: Java 8 Lambda with generic types Steven Simpson <ss@my.domain.invalid> - 2016-08-28 08:19 +0100
  Re: Java 8 Lambda with generic types Stone Zhong <stone.zhong@gmail.com> - 2016-08-28 03:26 -0700
  Re: Java 8 Lambda with generic types Stone Zhong <stone.zhong@gmail.com> - 2016-08-28 07:45 -0700
    Re: Java 8 Lambda with generic types Arne Vajhøj <arne@vajhoej.dk> - 2016-08-28 13:22 -0400
  Re: Java 8 Lambda with generic types Stone Zhong <stone.zhong@gmail.com> - 2016-08-28 07:57 -0700
  Re: Java 8 Lambda with generic types Stone Zhong <stone.zhong@gmail.com> - 2016-08-28 10:43 -0700
    Re: Java 8 Lambda with generic types Arne Vajhøj <arne@vajhoej.dk> - 2016-08-30 20:35 -0400
  Re: Java 8 Lambda with generic types Stone Zhong <stone.zhong@gmail.com> - 2016-09-02 15:18 -0700

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