Hoogle Overview

This article gives an overview of the Hoogle tool. We describe the history of Hoogle, the improvements that have been made this summer, and plans for future features. Finally, we discuss the design guidelines of Hoogle 4 – which may be of interest both to budding Hoogle developers and other Haskell projects. This article does not cover the theoretical background of Hoogle. To try Hoogle online visit http://haskell.org/hoogle.