Hello all,

So we announced Lambda Day rather prematurely. I had not actually ran any of the lambdification tooling and once I did, I found that they all produce lamdified code with compile errors. Most of the lamdified code works, but the odd lamdification does not. Naively, we had assumed that we could flip a switch and walk away lambdified. Silly us.

Now that we know code will need to be edited manually, we have decided to lambdify components one at a time over the next month or so to better allow us to control the process. The first component to be lamdified is Samples, Mandelbrot and Ensemble8. But wait, Mandelbrot was already lambdifed so no change there.

Since lamdification is such a pervasive change, we'll be announcing on the list when components are going to change and coordinating with the component owners. The JIRA that is tracking the work is https://javafx-jira.kenai.com/browse/RT-35197

The good news is that the lambda flood gates are open in all components. The Android and iOS ports have agreed to use RetroLambda to keep their ports going. Remember though, use of the streams API and other JDK8 library functionality like this will kill these ports so these features cannot be used in shared code. In platform specific Java code, there is no issue.

I was so happy and then the wind was taken out of my sails. Software has let me down.


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