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authorÖmer Sinan Ağacan <omeragacan@gmail.com>2020-02-17 09:56:33 +0300
committerMarge Bot <ben+marge-bot@smart-cactus.org>2020-02-20 21:20:45 -0500
commit65b7256a88ae2bd878da5d026e4183cba6f6eedf (patch)
treefeae01641c4fcbaa438dda9298d7d9ca2430eb85 /compiler/utils
parentc8439fc789ff00cfdd453d2425d2146df69e0729 (diff)
downloadhaskell-65b7256a88ae2bd878da5d026e4183cba6f6eedf.tar.gz
Use concatMap(M) instead of `concat . map` and the monadic variant
Diffstat (limited to 'compiler/utils')
-rw-r--r--compiler/utils/Digraph.hs2
-rw-r--r--compiler/utils/GraphColor.hs2
2 files changed, 2 insertions, 2 deletions
diff --git a/compiler/utils/Digraph.hs b/compiler/utils/Digraph.hs
index 49ded1b23f..e7c838508c 100644
--- a/compiler/utils/Digraph.hs
+++ b/compiler/utils/Digraph.hs
@@ -422,7 +422,7 @@ type IntGraph = G.Graph
-- Data.Tree has flatten for Tree, but nothing for Forest
preorderF :: Forest a -> [a]
-preorderF ts = concat (map flatten ts)
+preorderF ts = concatMap flatten ts
{-
------------------------------------------------------------
diff --git a/compiler/utils/GraphColor.hs b/compiler/utils/GraphColor.hs
index 9ab2ad22af..70c3f7a7b3 100644
--- a/compiler/utils/GraphColor.hs
+++ b/compiler/utils/GraphColor.hs
@@ -324,7 +324,7 @@ selectColor colors graph u
-- the prefs of our neighbors
colors_neighbor_prefs
= mkUniqSet
- $ concat $ map nodePreference nsConflicts
+ $ concatMap nodePreference nsConflicts
-- colors that are still valid for us
colors_ok_ex = minusUniqSet colors_avail (nodeExclusions node)