Validating State Machines · This morning we released AWS Step Functions, a Serverless Distributed Cloud Microservices Polyglot Workflow Orchestration Coordinator thingie. It’s cool; you want to read about it, visit Jeff Barr’s joint. Step Functions uses state machines specified in a JSON DSL called the States language. This piece is about the two validators I wrote for States documents, one of which is interesting ... [1 comment]