From b34b262c76c13c59f997805268c9a22c24a21ea6 Mon Sep 17 00:00:00 2001
From: Simon Michael <simon@joyful.com>
Date: Sat, 16 Feb 2019 15:57:29 -0800
Subject: [PATCH] lib: document mapM'

[ci skip]
---
 hledger-lib/Hledger/Utils.hs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hledger-lib/Hledger/Utils.hs b/hledger-lib/Hledger/Utils.hs
index be78fa344..f2860bf91 100644
--- a/hledger-lib/Hledger/Utils.hs
+++ b/hledger-lib/Hledger/Utils.hs
@@ -220,6 +220,7 @@ sequence' ms = do
       x <- m
       go (h . (x :)) ms
 
+-- | Like mapM but uses sequence'.
 {-# INLINABLE mapM' #-}
 mapM' :: Monad f => (a -> f b) -> [a] -> f [b]
 mapM' f = sequence' . map f