Thanks to @nikomatsakis we now have Covariant and Contravariant markers in #rustlang
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Replying to @flaper87
@flaper87@omasanori@nikomatsakis please tell me Rust won't head in the scala madness way...#rustlang2 replies 0 retweets 0 likes
Replying to @pzol
@pzol @flaper87 @omasanori if you don't use unsafe code we ought to infer variance automatically (modulo issue 3598)
0 replies
1 retweet
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