By mswatcher
via sumologic.com
Submitted: Dec 08 2012 / 12:27
At Sumo Logic we use the Scala programming language, and we are always on the lookout for ways that we can leverage its features to write high-quality software. The type class pattern (an idea which comes from Haskell) provides a flexible mechanism for associating behaviors with types, and context bounds make this pattern particularly easy to express in Scala code. Using this technique, we can extend existing types with new functionalities without worrying about inheritance. In this post we introduce a motivating example and examine a few different ways to express our ideas in code before coming back to type classes, context bounds, and what they can do for us.
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