Proposal: Bring the Contravariant class to base

John Wiegley johnw at
Tue Sep 19 23:02:52 UTC 2017

>>>>> "MS" == Michael Snoyman <michael at> writes:

MS> Also: +1 for including in base.

Another +1 here.

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

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