On 2016-08-23 22:26, David Feuer wrote:
For reasons I can't fathom, Data.Map exports the functions showTree, showTreeWith, and valid, all of which seem to be intended for debugging the map implementation. No user should ever need these abstraction-smashing functions unless they're monkeying around with mergeWithKey. If these functions are deprecated, they'll still be available from the "internal" module Data.Map.Base. Data.Map.Base will be exposed through Cabal at the request of Edward Kmett, although it will remain hidden from Haddock and completely unsupported.
+1, but I *do* wonder what Mr. Kmett's use case is. (I realize that there's a reasonable case for ".Internal" modules which are still exposed, but I'm curious as to whether there's anything more to it in this case.)