Lambda example from Wiki doesn't work?

[rlkoshak (Rich Koshak)]

First of all, Designer is currently experiencing problems and is not recognizing things it should.

Second of all, you need to tell us what the errors Designer is telling you.

Finally, without knowing what the errors it is complaining about, I’m going to guess that it cannot find org.openhab.core.* because all of those classes have moved in OH 2. Get rid of the fully qualified class names for all the org.openhab classes and the code should run. Though because of the aforementioned bug in Designer, it may still be marked as an error.

I wrote up a simpler example of how lambdas work here:

Reusable Functions: A simple lambda example with copious notes

Major Edit: Rewrote with the cleaner OH 2.3 syntax. The example lambda on the OH 1 wiki is overly complex and as written will not work in OH 2. This quick example will show a super simple lambda example with copious notes. Here is the code without comments. It takes in an Item, logs it’s state and returns a slightly modified version of the String logged. val log= [ GenericItem s | logInfo("lambda", s.state.toString) s.state.toString + " logged" ] rule "Call Lambda" when // some t…