From fb9d9c6a05e89bfe77cf7fe0735f4ebaeb1e88b4 Mon Sep 17 00:00:00 2001
From: Ben Sima <ben@bsima.me>
Date: Fri, 5 Feb 2021 22:16:49 -0500
Subject: Prefer traverse over mapM

---
 Biz/Bild.hs     |  6 +++---
 Biz/Devalloc.hs | 10 +++++-----
 Biz/Lint.hs     |  4 ++--
 3 files changed, 10 insertions(+), 10 deletions(-)

(limited to 'Biz')

diff --git a/Biz/Bild.hs b/Biz/Bild.hs
index 9da11ac..39d8aaf 100644
--- a/Biz/Bild.hs
+++ b/Biz/Bild.hs
@@ -159,11 +159,11 @@ main = Cli.main <| Cli.Plan help move test pure
 move :: Cli.Arguments -> IO ()
 move args =
   IO.hSetBuffering stdout IO.NoBuffering
-    >> mapM getNamespace (Cli.getAllArgs args (Cli.argument "target"))
+    >> traverse getNamespace (Cli.getAllArgs args (Cli.argument "target"))
     /> catMaybes
     /> filter isBuildableNs
-    +> mapM analyze
-    +> mapM
+    +> traverse analyze
+    +> traverse
       ( build
           (args `Cli.has` Cli.longOption "test")
           (args `Cli.has` Cli.longOption "loud")
diff --git a/Biz/Devalloc.hs b/Biz/Devalloc.hs
index 93af04f..acbb606 100644
--- a/Biz/Devalloc.hs
+++ b/Biz/Devalloc.hs
@@ -1015,7 +1015,7 @@ instance Lucid.ToHtml SelectRepo where
     header <| Just user
     Lucid.main_ [Lucid.id_ "selectRepo"] <| do
       Lucid.h2_ "Select a repo to analyze"
-      Lucid.ul_ <| Lucid.toHtml <| mapM_ displayRepo (Vector.toList repos)
+      Lucid.ul_ <| Lucid.toHtml <| traverse_ displayRepo (Vector.toList repos)
     footer
     where
       displayRepo :: GitHub.Repo -> Lucid.Html ()
@@ -1106,10 +1106,10 @@ instance Lucid.ToHtml Analysis where
         Lucid.h3_ <| Lucid.toHtml <| "Total files: " <> tshow totalFiles
         Lucid.h3_ <| Lucid.toHtml <| "Found " <> slen blackholes <> " blackholes:"
         Lucid.ul_ <| do
-          mapM_ (Lucid.toHtml .> Lucid.li_) blackholes
+          traverse_ (Lucid.toHtml .> Lucid.li_) blackholes
         Lucid.h3_ <| Lucid.toHtml <| "Found " <> slen liabilities <> " liabilities:"
         Lucid.ul_ <| do
-          mapM_ (Lucid.toHtml .> Lucid.li_) liabilities
+          traverse_ (Lucid.toHtml .> Lucid.li_) liabilities
         Lucid.h3_ <| Lucid.toHtml <| "Found " <> slen stale <> " stale files:"
         Lucid.ul_ <| do
           forM_ stale <| \(path, days) ->
@@ -1132,7 +1132,7 @@ analyze keep askedBy activeAuthors url bareRepo = do
             "HEAD"
           ]
           /> String.lines
-      authors <- mapM (authorsFor bareRepo) tree :: IO [[(Text, Text, Text)]]
+      authors <- traverse (authorsFor bareRepo) tree :: IO [[(Text, Text, Text)]]
       let authorMap =
             zipWith
               ( \path authors_ ->
@@ -1141,7 +1141,7 @@ analyze keep askedBy activeAuthors url bareRepo = do
               tree
               authors ::
               [(FilePath, [(Text, Text, Text)])]
-      stalenessMap <- mapM (lastTouched bareRepo) tree
+      stalenessMap <- traverse (lastTouched bareRepo) tree
       let blackholes =
             [ Text.pack path
               | (path, authors_) <- authorMap,
diff --git a/Biz/Lint.hs b/Biz/Lint.hs
index 2fc8522..d708c45 100644
--- a/Biz/Lint.hs
+++ b/Biz/Lint.hs
@@ -106,10 +106,10 @@ run :: [FilePath] -> IO [Result]
 run paths = do
   cwd <- Directory.getCurrentDirectory
   root <- Environment.getEnv "BIZ_ROOT"
-  concat </ mapM (runOne root cwd) paths
+  concat </ traverse (runOne root cwd) paths
 
 runOne :: FilePath -> FilePath -> FilePath -> IO [Result]
-runOne root cwd path_ = results +> mapM_ printResult >> results
+runOne root cwd path_ = results +> traverse_ printResult >> results
   where
     results =
       sequence <| case Namespace.fromPath root (cwd </> path_) of
-- 
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