It's something that I hope would exist one day. Loom is a project that I'm working on to add lightweight threads to the Java platform (https://wiki.openjdk.java

It's something that I hope would exist one day. Loom is a project that I'm working on to add lightweight threads to the Java platform (https://wiki.openjdk.java.net/display/loom/ https://wiki.openjdk.java.net/display/loom/) and Truffle is a framework that allows writing fast language runtimes for the Java platform or standalone that chrisseaton is working on (https://github.com/oracle/graal/tree/master/truffle https://github.com/oracle/graal/tree/master/truffle).