GHC not able to detect impossible GADT pattern

2014-09-02 Thread Merijn Verstraaten
I’ve been trying to stretch GHC’s type system again and somehow managed to get myself into a position where GHC warns about a non-exhaustive pattern where adding the (according to GHC) missing pattern results in a type error (as intended by me). It seems that even with closed type families GHC

[Haskell] Third call for papers, IFL 2014

2014-09-02 Thread publicityifl
Hello, Please, find below the third call for papers for IFL 2014. The submission page is now open. The submission date has been delayed to Sep. 8 2014 anywhere on the world. Please forward these to anyone you think may be interested. Apologies for any duplicates you may receive. best regards,

[Haskell] ETAPS 2015 2nd call for papers

2014-09-02 Thread Tarmo Uustalu
** CALL FOR PAPERS: ETAPS 2015 18th European Joint Conferences on Theory And Practice of Software London, UK, 11-18 April 2015 http://www.etaps.org/2015