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Type Members vs Type Parameters - NE Scala 2016

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  • Presented by Jon Pretty

Intermediate. Assumes working knowledge.

2.2K views10 years ago1 recommendation

Programming languagesSoftware designScalaLanguage design and type systems

Jon Pretty explores the differences, trade-offs, and use cases for type members versus type parameters in Scala.

Scala's type system provides generics in two ways: type members and type parameters, and most advanced Scala developers will use both in their code at different times. But how do we choose between them? Usually one or the other will feel "right" for a particular use case, and—if not—we can usually refactor and take the alternative approach. But could we learn to be better at making the "right" choice first time? I'll explore the most important considerations when choosing between them, and look at whether they are completely interchangeable in all cases, or whether certain scenarios force us down one path or the other. Talk by Jon Pretty March 4th, 2016 nescala.org/ Produced by NewCircle - Training & Resources for Developers: newcircle.com/

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What people say. Recommended as an insightful talk explaining key fundamental ideas in Scala.

u/Laseringin r/scala • Recommends

Looking for keynotes with very good insights and/or explaining some key fundamental ideas Like the title says. Let me give you some examples: - Constraints Liberate, Liberties Constrain - Runar Bjarnason - Simple Made Easy - Rich Hickey - How do Fibers Work? A Peek Under the Hood - Fabio Labella - Introduction to ScalaCheck - Noel Markham - High Wizardry in the Land of Scala - Daniel Spiewak - Roll Your Own Shapeless - Daniel Spiewak - Type Members vs Type Parameters - Jon Pretty - Doing Batshit Crazy Algebra with Scala Types! - Jon Pretty
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