I have not researched out if Cloud Foundry is still using the Ruby version or if it has switched over to the Go version. The NATS release is the go version.
https://github.com/cloudfoundry/nats-release
https://docs.pivotal.io/pivotalcf/1-10/concepts/architecture/messaging-nats.html
"This information was adapted from the NATS README. NATS is a lightweight publish-subscribe and distributed queueing messaging system written in Ruby."
https://nats.io/documentation/streaming/nats-streaming-intro/
I have not researched out if Cloud Foundry is still using the Ruby version or if it has switched over to the Go version. The NATS release is the go version.
https://github.com/cloudfoundry/nats-release
https://docs.pivotal.io/pivotalcf/1-10/concepts/architecture/messaging-nats.html
"This information was adapted from the NATS README. NATS is a lightweight publish-subscribe and distributed queueing messaging system written in Ruby."
https://nats.io/documentation/streaming/nats-streaming-intro/