On Mon, Dec 19, 2011 at 11:20 AM, Robert Clausecker <fuz...@gmail.com>wrote:
> Image you would create your own language with a paradigm similar to > Haskell or have to chance to change Haskell without the need to keep any > compatibility. What stuff would you add to your language, what stuff > would you remove and what problems would you solve completely different? > > Thanks in advance for all answers, yours > * Lenses as the default record infrastructure. (Maybe...) * Better organization of numeric (and algebraic/categorical) type classes in the Prelude. * Documentation that discourages thinking about bottom as a 'value'. It's not a value, and that is what defines it. * Getting rid of the Functor/Monad nonsense. (Every monad is in fact a functor, but we can't use fmap on arbitrary monads in Haskell) * The inclusion of something like Djinn to automatically generate free theorems from types. It would be nice if GHCi included an interactive Djinn-like interface to generate alternative non-free functions for a type. * An API to make automating REPL and text editor interactions straight-forward. (For example, if we were to use the hypothetical Djinn-like feature, we could select the implementation we want from a list and have it pasted into our text editor of choice automatically)
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