Proposal: Remove Semigroup and Monoid instances for Data.Map, Data.IntMap, Data.HashMap

John Wiegley johnw at
Tue Feb 13 20:23:14 UTC 2018

>>>>> "AM" == Andrew Martin <andrew.thaddeus at> writes:

AM> I am strongly in favor of this proposal. I've actually proposal the same
AM> thing (with additional motivations) on the GHC Trac: https://

+1 here too

John Wiegley                  GPG fingerprint = 4710 CF98 AF9B 327B B80F                          60E1 46C4 BD1A 7AC1 4BA2

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