<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; "><div><br></div><div><div>On Mar 8, 2016, at 7:17 PM, Evan Austin <<a href="mailto:e.c.austin@gmail.com">e.c.austin@gmail.com</a>> wrote:</div><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><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></blockquote><br></div><div>No, it didn't make it. The motivating test case seemed contrived and so we punted on this one.</div><div><br></div><div>Do you have a use case that really needs this feature? That would help to motivate it for 8.2 or beyond.</div><div><br></div><div>Thanks!</div><div>Richard</div><br></body></html>