opam-monorepo
eioio
opam-monorepo | eioio | |
---|---|---|
2 | 25 | |
130 | 515 | |
0.0% | 1.9% | |
6.8 | 9.0 | |
about 2 months ago | 2 days ago | |
OCaml | OCaml | |
ISC License | GNU General Public License v3.0 or later |
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
opam-monorepo
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Why OCaml?
Re: dependency management and build tooling: these days I'm using opam-monorepo (https://github.com/tarides/opam-monorepo, previously known as duniverse) to manage dependencies and it's working out pretty well for me. It vendors all dependencies into a node_modules-like directory inside the projects and writes an opam-compatible lockfile, and it builds all the dependencies using dune. For the most widely used packages that don't already use dune it uses an overlay containing dune ports at https://github.com/dune-universe/opam-overlays.
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My adventures in ML Land
There is a lot to be desired about OCaml tooling, but I am really excited about opam-tools and duniverse.
eioio
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Eio 1.0 Release: Introducing a new Effects-Based I/O Library for OCaml
the actual project (Readme has some code samples): https://github.com/ocaml-multicore/eio
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OCaml: a Rust developer's first impressions
For 5.0+ you might want to look at https://github.com/ocaml-multicore/eio for how effects can make async much more pleasant
- Alternatives to scala FP
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How Much Memory Do You Need to Run 1 Million Concurrent Tasks?
Great post! I would love to see this extended to OCaml 5 (with eio) and Haskell
- Eio -- Effects-Based Parallel IO for OCaml
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OCaml 5.0.0: multicore support and effect handlers for OCaml
Second, effects enable a new style of concurrency libraries like eio that forgoes the need to wrap every asynchronous computation in a monad.
- OCaml 5.0 Multicore is out
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What’s so great about functional programming anyway?
> This is realllly unidiomatic in real world Haskell.
Whether idiomatic or not does not matter. It proves my point:
IO won't save you, and even very mundane effects are not part of the game…
Idris is the "better Haskell" sure, but the effect tracking is still part of the uncanny valley (still IO monad based).
Koka is a toy, and Frank mostly "only a paper" (even there is some code out there).
The "Frank concept" is to some degree implemented in the Unison language, though:
https://www.unison-lang.org/learn/fundamentals/abilities/
Having a notion of co-effects (or however you please to call them) is imho actually much more important than talking about effects (as effects are in fact neither values nor types—something that all the IO kludges get wrong).
I think the first practicable approach in the mainstream about this topic will be what gets researched and developed for Scala. The main take away is that you need to look at things form the co-effects side first and foremost!
In case anybody is interested in what happens in Scala land in this regard:
https://www.slideshare.net/slideshow/embed_code/key/aLE9M37d...
https://docs.scala-lang.org/scala3/reference/experimental/cc...
But also the development in OCaml seems interesting:
https://github.com/ocaml-multicore/eio#design-note-capabilit...
Look mom, "effects", but without the monad headache!
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Practical OCaml, Multicore Edition
To enable access to all these features, an exciting new library called Eio is being developed. It uses a new paradigm of direct-style concurrent I/O programming, without the need for monads or async/await, thus avoiding the function colour problem.
What are some alternatives?
ocaml-containers - A lightweight, modular standard library extension, string library, and interfaces to various libraries (unix, threads, etc.) BSD license.
ocaml-multicore - Multicore OCaml
utop - Universal toplevel for OCaml
roast - 🦋 Raku test suite
loom - Concurrency permutation testing tool for Rust.
domainslib - Parallel Programming over Domains
rescript-compiler - The compiler for ReScript.
effects-examples - Examples to illustrate the use of algebraic effects in Multicore OCaml
weave - A state-of-the-art multithreading runtime: message-passing based, fast, scalable, ultra-low overhead
ocaml - The core OCaml system: compilers, runtime system, base libraries
virt-v2v - Virt-v2v converts guests from foreign hypervisors to run on KVM
dune - A composable build system for OCaml.