toolkit
natchez
toolkit | natchez | |
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1 | 2 | |
10 | 319 | |
- | 1.3% | |
8.5 | 8.8 | |
7 days ago | 8 days ago | |
Scala | Scala | |
Apache License 2.0 | MIT License |
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toolkit
natchez
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The wonder of context functions
Regarding real-world uses of this concept, I used it today to put natchez tracing in my http4s project. While the project is still small, I was shocked at the lack of invasiveness of this approach compared to usage of Kleisli to achieve the same effect.
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Question on implementing open tracing with Scala Futures
It's never going to work with a ThreadLocal-based implementation because Future (and other Scala async stuff like cats.effect.IO) hop from thread to thread in an unpredictable way. The only way to do it is to jettison the magical "current span" thing and pass the span explicitly. You can hide this in the plumbing if you program with abstract effects (this is what Natchez Trace does) but with Future I think you're going to have to pass everything around in the open.
What are some alternatives?
trading - 💱 Trading application written in Scala 3 that showcases an Event-Driven Architecture (EDA) and Functional Programming (FP)
wiringbits-scala-newbie-warts - A collection of WartRemover warts for Scala newbies used by Wiringbits
tailcall - A high-performance GraphQL Platform
pencil - Simple smtp client
skunk - A data access library for Scala + Postgres.
cats-effect-testing - Integration between cats-effect and test frameworks
fly4s - A lightweight, simple and functional wrapper of Flyway using cats effect.
trace4cats-sttp - Integration for Trace4Cats and Sttp/Tapir
doobie-quill - Integration between Doobie and Quill libraries
axiom-honeycomb-proxy - A log forwarder/multiplexer for Axiom and Honeycomb.
pfps-shopping-cart - :shopping_cart: The Shopping Cart application developed in the book "Practical FP in Scala: A hands-on approach"
programs-as-values - Source code of the programs as values presentation