Re: GWT 2.8.0 forEach, Consumer, Function, Streams and other Java 8 stuff

Hi Thomas, thanks for the answer.

You can compile java even 1.2 source code with JDK 1.8, so what is the problem with compiling Java 7 source with GWT for Java 8 emulation? Interfaces also should not be broken because of default methods in interfaces (that can just be ignored in sourceLevel < 8). Can you give example that describes the problem, please?

четвер, 11 червня 2015 р. 16:10:23 UTC+3 користувач Thomas Broyer написав:

On Thursday, June 11, 2015 at 2:58:09 PM UTC+2, Ivan Hetman wrote:

Hi. I used GWT 2.8.0-SNAPSHOT to try it on my projects to reduce boilerplate code. But I was confused when I tried listeners.forEach() and compiler said that there is no such method in Set (i. e. Iterable). Also as i noticed, default methods or class::method work. But there are no streams, consumer/producer interfaces. I dived into sources and noticed that there is no implementation for this methods/classes.

What is status of Java 8 collection interfaces/methods for GWT 2.8? Or there are no plans to include them into GWT 2.8.0?

The problem is that we cannot add Java 8 features to the Java runtime emulation while still supporting -sourceLevel 7.

So for now you can use the Java 8 language, but not the Java 8 APIs.

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