<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">GHC Devs,</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">The wiki page for Phase I of Dependent Haskell describes an approach to constrained type families:</div><a href="https://ghc.haskell.org/trac/ghc/wiki/DependentHaskell/Phase1#Typefamilyequationscanbeconstrained" class="">https://ghc.haskell.org/trac/ghc/wiki/DependentHaskell/Phase1#Typefamilyequationscanbeconstrained</a><div class=""><br class=""></div><div class="">Did that land in GHC 8.0 and, if so, is the updated syntax documented somewhere?</div><div class=""><br class=""></div><div class="">V/r,</div><div class=""><br class=""></div><div class="">-Evan</div></body></html>