From 979c7338cfcdc59f0b0dda562a53558c416cc362 Mon Sep 17 00:00:00 2001
From: Ryan Scott <ryan.gl.scott@gmail.com>
Date: Tue, 24 Apr 2018 16:51:06 -0400
Subject: Improve the Hoogle backend's treatment of type families (#808)

Fixes parts 1 and 2 of #806.
---
 hoogle-test/ref/Bug806/test.txt  | 24 ++++++++++++++++++++++++
 hoogle-test/src/Bug806/Bug806.hs | 23 +++++++++++++++++++++++
 2 files changed, 47 insertions(+)
 create mode 100644 hoogle-test/ref/Bug806/test.txt
 create mode 100644 hoogle-test/src/Bug806/Bug806.hs

(limited to 'hoogle-test')

diff --git a/hoogle-test/ref/Bug806/test.txt b/hoogle-test/ref/Bug806/test.txt
new file mode 100644
index 00000000..d9a908b3
--- /dev/null
+++ b/hoogle-test/ref/Bug806/test.txt
@@ -0,0 +1,24 @@
+-- Hoogle documentation, generated by Haddock
+-- See Hoogle, http://www.haskell.org/hoogle/
+
+@package test
+@version 0.0.0
+
+module Bug806
+
+-- | <a>F1</a> docs
+type family F1 a b :: * -> *
+
+-- | <a>F2</a> docs
+type family F2 a b :: * -> *
+
+-- | <a>D</a> docs
+data family D a :: * -> *
+v :: Int
+
+-- | <a>C</a> docs
+class C a where {
+    
+    -- | <a>AT</a> docs
+    type family AT a;
+}
diff --git a/hoogle-test/src/Bug806/Bug806.hs b/hoogle-test/src/Bug806/Bug806.hs
new file mode 100644
index 00000000..6efcb5cf
--- /dev/null
+++ b/hoogle-test/src/Bug806/Bug806.hs
@@ -0,0 +1,23 @@
+{-# LANGUAGE KindSignatures #-}
+{-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE UndecidableInstances #-}
+module Bug806 where
+
+import Data.Proxy
+
+-- | 'F1' docs
+type family F1 a b :: * -> *
+-- | 'F2' docs
+type family F2 a b :: * -> * where
+  F2 Int b = Maybe
+  F2 a   b = []
+-- | 'D' docs
+data family D a :: * -> *
+
+v :: Int
+v = 42
+
+-- | 'C' docs
+class C a where
+  -- | 'AT' docs
+  type AT a
-- 
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