print the whole program
(swingBrowser: StringAdd).self
(swingBrowser: StringFormat).self
(swingBrowser: ArrowAssoc[SwingBrowser]).x
(Since version 2.10.0) Use leftOfArrow instead
(swingBrowser: Ensuring[SwingBrowser]).x
(Since version 2.10.0) Use resultOfEnsuring instead
Java Swing pretty printer for Scala abstract syntax trees.