4 commits

Author	SHA1	Message	Date
Zahary Karadjov	cdb011afdc	attempt to fix a compilation problem caused by nimcache	2017-05-13 15:46:47 +03:00
Zahary Karadjov	b428da2cc2	work-around for defining imported types with weak covariance	2017-05-13 15:46:08 +03:00
Zahary Karadjov	f4e73344d4	covariance for arrays and sequences	2017-05-12 18:42:46 +03:00
Zahary Karadjov	597ea08815	covariance for generic importc types	2017-05-12 11:46:25 +03:00