ZIO has FiberLocal, which will soon follow the execution graph (e.g. a child fiber can read its parent fiber local, with copy-on-write semantics), which goes _way_ beyond utility of ThreadLocal—and which is vital in an age of pervasive concurrency & parallelism.https://twitter.com/Krever01/status/1127461381920493568 …
Replying to @jdegoes
Following the lead of Common Lisp special variables, I see. Great!
9:48 AM - 12 May 2019
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