State of Pattern Matching with Brian Goetz

#Java #OpenJDK #PatternMatching #JDK18 Conversation with Project Amber lead Brian Goetz about pattern matching in Java: Why `Map::get` should be a pattern, the linear thinking trap and how it impacts null handling in pattern matches, exhaustiveness in switch statements and the rehabilitation of `switch`. Links: * Project Amber: https://openjdk.java.net/projects/amber/ * discussion about handling null with total patterns: https://mail.openjdk.java.net/pipermail/amber-spec-experts/2022-January/003194.html https://mail.openjdk.java.net/pipermail/amber-spec-experts/2022-February/003240.html Table of Contents: 0:00 Intro 0:16 Map::get should be a pattern 4:10 `null` in patterns and the linear thinking trap 10:56 Exhaustiveness for switch statements 16:28 Rehabilitating `switch` 19:30 Goodbye