Mon Nov 20 20:52:42 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/45d72d1d46dda593823bd6aedf860d18d60f3ab2

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

commit 45d72d1d46dda593823bd6aedf860d18d60f3ab2
Author: Łukasz Hanuszczak <lukasz.hanuszczak at gmail.com>
Date:   Mon Aug 10 16:04:08 2015 +0200

    Improve formatting of class details output in Hoogle backend.


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

45d72d1d46dda593823bd6aedf860d18d60f3ab2
 haddock-api/src/Haddock/Backends/Hoogle.hs | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/haddock-api/src/Haddock/Backends/Hoogle.hs b/haddock-api/src/Haddock/Backends/Hoogle.hs
index 71e7cbc..f4f5be9 100644
--- a/haddock-api/src/Haddock/Backends/Hoogle.hs
+++ b/haddock-api/src/Haddock/Backends/Hoogle.hs
@@ -175,6 +175,12 @@ ppClass dflags decl subdocs = (out dflags decl' ++ " " ++ ppTyFams) : ppMethods
             , map (ppr . tyFamEqnToSyn . unLoc) (tcdATDefs decl)
             ]
 
+        whereWrapper elems = vcat'
+            [ text "where" <+> lbrace
+            , nest 4 . vcat . map (<> semi) $ elems
+            , rbrace
+            ]
+
         addContext (TypeSig name (L l sig) nwcs) = TypeSig name (L l $ f sig) nwcs
         addContext (MinimalSig src sig) = MinimalSig src sig
         addContext _ = error "expected TypeSig"
@@ -390,9 +396,6 @@ escape = concatMap f
         f x = [x]
 
 
-semiSeparate :: [SDoc] -> SDoc
-semiSeparate = sep . punctuate semi
-
-
-whereWrapper :: [SDoc] -> SDoc
-whereWrapper xs = text "where" <+> braces (space <> semiSeparate xs <> space)
+-- | Just like 'vcat' but uses '($+$)' instead of '($$)'.
+vcat' :: [SDoc] -> SDoc
+vcat' = foldr ($+$) empty

