Lambda World 2018 - Testing in the world of Functional Programming - Luka Jacobowitz

Web Reference: Aug 19, 2008 · Lambda calculus codifies the correct way to do these substitutions. Given that y = x−1 is a valid rearrangement of the second equation, this: λ y = x−1 means a function substituting the symbols x−1 for the symbol y. Now imagine applying λ y to each term in the first equation. If a term is y then perform the substitution; otherwise do ... Here is another really good reference which explains very well what are lambda expressions in C++: Microsoft.com: Lambda expressions in C++. I especially like how well it explains the parts of a lambda expression, in particular: the capture clause, parameter list, trailing-return-type, and lambda body. I saw some examples using built-in functions like sorted, sum etc. that use key=lambda. What does lambda mean here? How does it work? For the general computer science concept of a lambda, see What...

YouTube Excerpt: This presentation by Luka Jacobowitz took place at Lambda World Cádiz on October 26th, 2018 at the Palacio de Congresos in Cádiz, Spain. Testing in the world of Functional Programming Testing is one of the most fundamental aspects of being a software developer. There are several movements and communities based on different methodologies with regards to testing such as TDD, BDD or design by contract. However, in the FP community testing is often not a large topic and is often glossed over. While it’s true that testing in functional programming tends to be less important, there should still be more resources on how to create tests that add actual value. This talks aims to provide exactly that, with good examples on how to leverage property based testing, refinement types and the most difficult part: figuring out how to test code that interacts with the outside world. Follow: -https://www.twitter.com/lambda_world -https://www.twitter.com/47deg -https://twitter.com/LukaJacobowitz Visit: -https://www.47deg.com/events for more details -http://www.lambda.world

This presentation by Luka Jacobowitz took place at Lambda World Cádiz on October 26th, 2018 at the Palacio de Congresos in Cádiz, Spain. Testing...

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