RxJava bindings for Groovy
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RxGroovy: Reactive Extensions for Groovy

This is a Groovy adapter to RxJava.

This adaptor allows 'groovy.lang.Closure' functions to be used and RxJava will know how to invoke them.

This enables code such as:

  Observable.just("one", "two", "three")
    .subscribe({arg -> println(arg)})

Master Build Status


Since RxGroovy is part of the RxJava family the communication channels are similar:


RxGroovy 1.0.x is based on RxJava 1.0.x. As of 1.0.0 semantic versioning will be used.

Full Documentation



For version 1.x:

Binaries and dependency information for Maven, Ivy, Gradle and others can be found at https://search.maven.org.

Example for Maven:


and for Ivy:

<dependency org="io.reactivex" name="rxgroovy" rev="x.y.z" />

and for Gradle:

compile 'io.reactivex:rxgroovy:x.y.z'


To build:

$ git clone git@github.com:ReactiveX/RxGroovy.git
$ cd RxGroovy/
$ ./gradlew build

Futher details on building can be found on the RxJava Getting Started page of the wiki.

Bugs and Feedback

For bugs, questions and discussions please use the Github Issues.


Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at


Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.