Re: [Haskell-cafe] Why were datatype contexts removed instead of "fixing them"?

2013-04-28 Thread gs
Brandon Allbery gmail.com> writes: > ... which means that implementers should be free to "fix" data type contexts > however they like, as they are now complier extensions which won't conflict > with standard Haskell. > > Except that people do build older programs with newer Haskell compilers, an

Re: [Haskell-cafe] Why were datatype contexts removed instead of "fixing them"?

2013-04-28 Thread gs
Alexander Solla gmail.com> writes: > I do not support that criterion.  We use theory to ENSURE that no real-world code will break. By theoretical example, I meant something which you would never expect to find in use. Perhaps it was a poor choice of wording in an academically orientated forum :-