Yes, I'd prefer to keep 'valid' because of 'mapMonotonic', 'mergeWithKey' etc. +0 on the others Tom

El 23 ago 2016, a las 18:20, David Feuer escribió:

Let me revise that slightly: the valid function is also potentially useful for people using mapMonotonic and similar "unsafe" functions, so I guess that one should remain.

On Aug 23, 2016 4:26 PM, "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.

David

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