USING: io lint kernel math tools.test ; IN: lint.tests ! Don't write code like this : lint1 [ "hi" print ] [ ] if ; ! when [ { [ [ ] if ] } ] [ \ lint1 lint ] unit-test : lint2 1 + ; ! 1+ [ { [ 1 + ] } ] [ \ lint2 lint ] unit-test : lint3 dup -rot ; ! tuck [ { [ dup -rot ] } ] [ \ lint3 lint ] unit-test