Re: Jsinterop: java arrays, native arrays, JsArray and strings

Thanks for the info.

Maybe with GWT 3 since many things will break, it is a good idea to map float[] to Float32Array, double[] to Float64Array etc...

But even more than that I would love a java.lang.String to js.String direct mapping first. I don't know if this is even possible but hey it's almost Christmas!

   Vassilis

On Wed, Dec 18, 2019 at 11:43 AM Kirill Prazdnikov <pkirill@gmail.com> wrote:

So

• Arrays, double are mapped to native types.

Not really, for float[] or for double[] there is corresponding Float32Array and Float64Array, or Int32Array for int[].

But the GWT uses JsArray of JsObjects and use JsNumber (boxed double) for any primitive types. 

As result, any generic multiplatform algorithm using arrays is extremely memory and performance inefficient.

Other java->js compilers offer more correct solution.

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