u/agilesteelin r/scala • Recommends
Part 3 - ZIO_, Error, _ & Variance - Getting Started with ZIO in Scala3
0:00 / 0:00
Part 3 - ZIO[_, Error, _] & Variance - Getting Started with #ZIO in #Scala3
DevInsideYou
13K subscribers • 47 videos on Hallway
- Recommended by 1 person: 1 in engineering communities.
- Linked in the descriptionDevInsideYou/zionutshell
Intermediate. Assumes working knowledge.
5K views5 years ago1 recommendation
Programming languagesSoftware designScalaLanguage design and type systems
How to implement the error channel in a custom ZIO effect type while exploring covariance, contravariance, and type inference in Scala 3.
In this video we will continue implementing our own version of ZIO. This video focuses on the second parameter slot (the error channel) of ZIO. The code is here: github.com/DevInsideYou/zionutshell Table of Contents: Intro Total functions Inserting the error channel into our ZIO Variance Covariance Contravariance ZIO.effect Type inference catchAll - the flatMap for the error channel fold mapError - the map for the error channel Website: devinsideyou.com Patreon: patreon.devinsideyou.com Discord: discord.devinsideyou.com Telegram: telegram.devinsideyou.com Twitter: twitter.devinsideyou.com GitHub: github.devinsideyou.com LBRY: lbry.devinsideyou.com Install scripts: install.devinsideyou.com Giter8 templates: g8.devinsideyou.com Spotify concentration playlist: code.radio.devinsideyou.com Cheers and Happy Coding! #scala #tutorial