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Room 1 - Foundations

Wednesday June 12th, 10:15-11:00

In Types We Trust

About this Session

Scala ensures that types are used consistently with their declaration, but checks only the name and structure of the types. A type also implies a semantic contract, which is typically expressed in human-language documentation and checked by tests. Can we do better?

In this talk I will propose that we formalize the specification of semantic contracts as statements of predicate logic. I will show how these statements of logic can be used in both property-based unit tests and proofs. I will show you new features of ScalaTest that support this approach.

Required Knowledge

  • A basic familiarity of Scala

Speaker(s)

Bill Venners
@bvenners

Bill Venners is president of Artima, Inc., provider of Scala consulting, training, books, and tools. He leads the open source projects for the ScalaTest testing library and the Scalactic library for functional, object-oriented programming. He is coauthor with Martin Odersky and Lex Spoon of the book, Programming in Scala.

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