Writing a simple REPL in Go
Go is a great language for writing tooling. It's very easy to produce a self-contained binary in go which makes very easy to distributed tools written in go. Today I want to show how easy is to write a simple REPL in Go. REPLs are quite popular in Functional Programming community like Scala, Clojure, and Haskell. Today even Java has a REPL :-). Cassandra has interesting REPL called CQLSH which allow local and remote connections. Currently, I'm thinking to write REPLs for some things I´m working with. REPLs are great for productivity and context. No to mention the could reduce and simplify discovery and troubleshooting. You might be thinking Gosh to write a REPL is tough we need to have parsers, print things nicely with colors, use tab completion, remember all previous commands. and one and on... I'm a full fledge REPL might require more work however a basic and simple version is something we can do in less them 5 minutes so I won't be doing any complicated parser or...