(Not to be confused with the "hiding import behavior" discussion also going on)
-- Currently, I'm able to write "module Foo where" to export everything defined in Foo. If, though, I add to the module some definitions which I don't want to export... data Lockbox = MkLockbox Int internalFunction = ... ...I then have to explicitly enumerate everything that I *do* want the module to export, and add to that list each time I add to the module. I propose that instead, we're able to simply say what we mean: module Foo hiding (Lockbox(MkLockbox), internalFunction) where I think its semantics are immediately clear to the reader. There's a little bit of bikeshedding that needs to happen (e.g. is "hiding (Foo(..))" sufficient to hide the type Foo and not just its constructors), but are people +1 on this? I've frequently wanted this behavior. Tom
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