One of the declared goals during the initial design phase of the Haskell language was to "... be usable as a basis for further language research." From "A Histo

One of the declared goals during the initial design phase of the Haskell language was to "... be usable as a basis for further language research." From "A History of Haskell: Being Lazy with Class" available at https://www.microsoft.com/en-us/research/wp-content/uploads/2016/07/history.pdf https://www.microsoft.com/en-us/research/wp-content/uploads/.... Language pragmas feels like a nice tool to support this goal.