Re: working in beta but not in latest git

From my understanding (which is not much) the whole point is moot. Looks like java Boxed types (Boolean, Double, Integer) are mapped directly to JS primitives so the need for the above code is gone. Is that right?

If yes and just for the shake of syntax curiosity: what is the correct syntax to invoke the booleanValue() of a Boolean object?

Thanks for helping me clearing this up.

On Tue, Aug 9, 2016 at 5:33 PM, Jens <jens.nehlmeier@gmail.com> wrote:

https://github.com/gwtproject/gwt/issues/9356 suggests that
   value.@Boolean::booleanValue() is rejected but value@Boolean::booleanValue()() works?

Yes but they are two different things. The first syntax returns the JS function itself (method reference) while the second one executes the function and returns its return value. So you have changed the code from "Does the function exist on 'value'" to "execute the function (=> and throw a JS error if it does not exist)". 

Method references are forbidden for Double, Boolean and String. Method calls are allowed.

-- J. 

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Vassilis Virvilis

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