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authorRyan Scott <ryan.gl.scott@gmail.com>2016-05-24 09:22:04 -0400
committerRyan Scott <ryan.gl.scott@gmail.com>2016-05-24 09:22:04 -0400
commit95dfdceb8b4dcc54a366949577d9ee389bad5bc3 (patch)
tree02f300a1867a6129f296a66d1e0cb8aefdfde529 /compiler/utils/Bag.hs
parent9d06ef1ae451a145607301dc7556931b537a7d83 (diff)
downloadhaskell-95dfdceb8b4dcc54a366949577d9ee389bad5bc3.tar.gz
Remove 'deriving Typeable' statements
Summary: Deriving `Typeable` has been a no-op since GHC 7.10, and now that we require 7.10+ to build GHC, we can remove all the redundant `deriving Typeable` statements in GHC. Test Plan: ./validate Reviewers: goldfire, austin, hvr, bgamari Reviewed By: austin, hvr, bgamari Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D2260
Diffstat (limited to 'compiler/utils/Bag.hs')
-rw-r--r--compiler/utils/Bag.hs3
1 files changed, 1 insertions, 2 deletions
diff --git a/compiler/utils/Bag.hs b/compiler/utils/Bag.hs
index 09fddccde1..f2b1ead4d8 100644
--- a/compiler/utils/Bag.hs
+++ b/compiler/utils/Bag.hs
@@ -6,7 +6,7 @@
Bag: an unordered collection with duplicates
-}
-{-# LANGUAGE DeriveDataTypeable, ScopedTypeVariables, CPP #-}
+{-# LANGUAGE ScopedTypeVariables, CPP #-}
module Bag (
Bag, -- abstract type
@@ -41,7 +41,6 @@ data Bag a
| UnitBag a
| TwoBags (Bag a) (Bag a) -- INVARIANT: neither branch is empty
| ListBag [a] -- INVARIANT: the list is non-empty
- deriving Typeable
emptyBag :: Bag a
emptyBag = EmptyBag