Drop custom mapM impl for []
authorBen Gamari <bgamari.foss@gmail.com>
Wed, 5 Aug 2015 12:21:47 +0000 (14:21 +0200)
committerBen Gamari <ben@smart-cactus.org>
Wed, 5 Aug 2015 12:45:16 +0000 (14:45 +0200)
commit60297486fddd5c9695e2263c2ae46fa90f0feb9e
treef5ca8877771bf97b9f12049bcee6cc2fd3648e96
parent4c55f14d0ab0f2b099c475a9810012f645bb059e
Drop custom mapM impl for []

See https://mail.haskell.org/pipermail/libraries/2015-May/025708.html
for motivation.

This fixes #10457

Test Plan: Validate

Reviewers: hvr, austin

Subscribers: simonmar, thomie, dolio

Differential Revision: https://phabricator.haskell.org/D1124

GHC Trac Issues: #10457
libraries/base/Data/Traversable.hs