What IDE does Rich Hickey use?

FWIW, I know that Rich Hickey has IntelliJ on his machine, probably for Java stuff.

Is Common Lisp immutable?

3 Answers. In Common Lisp, all the data (such as primitive variable references, lists, arrays and hash tables) are mutable by default, so that nothing can prevent someone from changing the value of a variable, an element of a sequence or a field of a structure.

Is clojure a lisp?

Clojure is a dialect of Lisp, and shares with Lisp the code-as-data philosophy and a powerful macro system. Clojure is predominantly a functional programming language, and features a rich set of immutable, persistent data structures.

What is Clojure REPL?

A Clojure REPL (standing for Read-Eval-Print Loop) is a programming environment which enables the programmer to interact with a running Clojure program and modify it, by evaluating one code expression at a time.

Is Common Lisp worth learning?

Lisp is perhaps the most effective language. ESR says[1]: [LISP is worth learning for] the profound enlightenment experience you will have when you finally get it. That experience will make you a better programmer for the rest of your days, even if you never actually use LISP itself a lot.

What do you mean by S expression in Lisp?

In computer programming, an S-expression (or symbolic expression, abbreviated as sexpr or sexp) is an expression in a like-named notation for nested list (tree-structured) data. S-expressions were invented for and popularized by the programming language Lisp, which uses them for source code as well as data.

What is Scala REPL?

The Scala REPL is a tool (scala) for evaluating expressions in Scala. In interactive mode, the REPL reads expressions at the prompt, wraps them in an executable template, and then compiles and executes the result. Previous results are automatically imported into the scope of the current expression as required.