Hi all,
Why is it necessary to mark up functional interfaces in GWT2.8
with @JsFunction. Is the standard @FunctionalInterface not enough?
My concern is that pretty soon every new GWT project (which most likely
will need some forms of callbacks) would be inflicting on users code like
the one below:
/**
* I wish I did not have to do this to you, but since GWT provides nothing
standard and you can not use Java 8 @FunctionalInterface ...
*/
public interface MyProjectNeedsThisAlthoughThisIsVeryCommonStuff_Sorry {
@FunctionalInterface
@JsFunction
interface Func {//callback takes no argument
void call();
}
@FunctionalInterface
@JsFunction
interface Func1<A> {//callback that takes 1 argument
void call(A param1);
}
}
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