Erik Meijer introduces covariance and contra-variance with real world examples.
Erik Meijer is a Dutch computer scientist and entrepreneur. From 2000 to early 2013 he was a software architect for Microsoft where he headed the Cloud Programmability Team. He then founded Applied Duality Inc. in 2013. Before that, he was an associate professor at Utrecht University. He received his Ph.D from Nijmegen University in 1992.
Joy of Coding is a one-day conference that celebrates the art, craft, science but foremost the joy of software development. It is a day for talking and collaborating with like-minded coders. The non-profit conference is not targeted towards a particular language or platform.
Re: Slide errata
Sorry for the slow response. We can try and get a correction to the slides if needed - do you have a specific example in mind here?
Head of Editorial, InfoQ.com
Erik found several mistakes in the slides as he presented
Great presentation though a bit agitated
Thanx also for the iterator/yield info for Java.
Now on to RxJava to check it out...