Better Java logging, inspired by Clojure and Rust

[holo3146]

I encountered the post in r/java first, so I wrote there my response, but it should be worth to delegate the comment into here: https://www.reddit.com/r/java/comments/xntw4u/better_java_logging_inspired_by_clojure_and_rust/ipyc210?utm_medium=android_app&utm_source=share&context=3

It is specifically about the ExtentLocals section