The tool (Ruby) does the hard work: foo.methods. Writing some code, running the tests, rinse, repeat. That describes the REPL way of doing things. Also, the way

The tool (Ruby) does the hard work: foo.methods. Writing some code, running the tests, rinse, repeat. That describes the REPL way of doing things. Also, the way I prefer to code. Do something, examine the results, do something else.