5 commits

Author	SHA1	Message	Date
Chris Hodapp	5ded30755f	Fix two typos (-varaint -> -variant)	2015-10-22 16:38:39 -04:00
Arthur Clune	8e452fcbb2	Correct two typos	2015-10-21 12:19:32 +01:00
Michael Snoyman	112ca0cec5	IO and MonadIO	2015-10-20 18:00:53 +00:00
Michael Snoyman	3a0b5e535c	Fix a confusing heading	2015-10-20 16:44:55 +00:00
Michael Snoyman	b4e5af7276	Initial content: covariance and contravariance	2015-10-20 09:23:24 +00:00