Four things about Pry

I love REPLs. It’s a great development tool. Any decent language has a REPL. Lisp has it. Python has it. So does Haskell. And Ruby, obviously, has it!REPL stands for Read Eval Print Loop. It’s a command line interface to interact with a programming language. Most interactive programming languages have a REPL. (I didn’t check.) This nomenclature derives from Lisp’s implementation which, in its most basic form, can be a one-liner:.