Mon Nov 20 20:49:54 UTC 2017

Repository : ssh://git@git.haskell.org/haddock

On branches: 2.17.3.1-spanfix,alexbiehl-patch-1,ghc-8.0,ghc-8.0-facebook,ghc-head,ghc-head1,haddock-quick,headdock-library-1.4.5,ie_avails,issue-303,issue-475,master,pr-filter-maps,pr/cabal-desc,travis,v2.16,v2.17,v2.17.3,v2.18,wip-located-module-as,wip/D2418,wip/T11080-open-data-kinds,wip/T11258,wip/T11430,wip/T12105,wip/T12105-2,wip/T12942,wip/T13163,wip/T3384,wip/embelleshed-rdr,wip/new-tree-one-param,wip/rae,wip/remove-frames,wip/remove-frames1,wip/revert-ttg-2017-11-20,wip/ttg-2017-10-13,wip/ttg-2017-10-31,wip/ttg-2017-11-06,wip/ttg2-2017-11-10,wip/ttg3-2017-11-12,wip/ttg4-constraints-2017-11-13
Link       : http://git.haskell.org/haddock.git/commitdiff/f7d377ee238d3b44240a4537986a7561e822f79f

>---------------------------------------------------------------

commit f7d377ee238d3b44240a4537986a7561e822f79f
Author: Łukasz Hanuszczak <lukasz.hanuszczak at gmail.com>
Date:   Fri Jul 10 11:49:02 2015 +0200

    Implement `everywhere` transformation in SYB module.


>---------------------------------------------------------------

f7d377ee238d3b44240a4537986a7561e822f79f
 haddock-api/src/Haddock/Syb.hs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/haddock-api/src/Haddock/Syb.hs b/haddock-api/src/Haddock/Syb.hs
index dd7ffc1..3cec724 100644
--- a/haddock-api/src/Haddock/Syb.hs
+++ b/haddock-api/src/Haddock/Syb.hs
@@ -2,7 +2,7 @@
 
 
 module Haddock.Syb
-    ( everything
+    ( everything, everywhere
     , combine
     ) where
 
@@ -19,6 +19,12 @@ everything :: (r -> r -> r) -> (forall a. Data a => a -> r)
            -> (forall a. Data a => a -> r)
 everything k f x = foldl k (f x) (gmapQ (everything k f) x)
 
+-- | Apply transformation on each level of a tree.
+--
+-- Just like 'everything', this is stolen from SYB package.
+everywhere :: (forall a. Data a => a -> a) -> (forall a. Data a => a -> a)
+everywhere f = f . gmapT (everywhere f)
+
 -- | Combine two queries into one using alternative combinator.
 combine :: Alternative f => (forall a. Data a => a -> f r)
                          -> (forall a. Data a => a -> f r)

