[Haskell-cafe] Re: Versioning

[Neil Mitchell]

Hi

> In other words, you can program in Haskell just fine without
> extensions.  But if you want that "next level" in type safety,
> extensions is where it's at, at least for the kind of code I write.

What level of "safety" do these type extensions give you? The biggest
runtime crasher is probably pattern match failings, something that
most of these type extensions don't catch at all!

They do give you some safety, but not a massive amount, and not in the
places where it would be truely useful.

Thanks

Neil