OCaml News 2024-3

o-新鲜事儿

• OCaml 5.1.0 released

• [ANN] dune 3.14

• code search

• [ANN] ocaml.codes, code search for OPAM packages

• 用 livegrep 基于 opam 包的源码做的代码搜索，还挺方便的。

• Announcing Melange 3

• [ANN] Melange 3.0

• Learn-OCaml 1.0 is out!

• https://ocaml-sf.org/learn-ocaml-public/

• GitHub - owlbarn/owl: Owl - OCaml Scientific Computing @ http://ocaml.xyz

• Owl project concluding

• 经过八年的维护，Owl项目即将终止

o-视频

• Inferring Locality in OCaml | OCaml Unboxed

• OCaml Locals Save Allocations | OCaml Unboxed

• Ocsigen: Developing Web and mobile applications in OCaml – Jérôme Vouillon & Vincent Balat

• Verifying an Effect-Based Cooperative Concurrency Scheduler in Iris by Adrian Dapprich

o-博客 / 文章 / 帖子

• Introducing DBCaml, Database toolkit for OCaml

• Building a Connnection Pool for DBCaml on top of riot

• Generating static and portable executables with OCaml

• OCaml编译器没有内置生成静态可移植可执行文件的特性，这里提到了一些技巧

• Analog of Promise.any() for Multicore OCaml

• Printf vs. Format?

• How to represent tuples in AST?

• How do I pass an unsigned char * (an array of bytes representing binary data) from C to OCaml?

o-未来

• How do we want to present OCaml to the World on OCaml.org?

• 一个问卷，用于更好的改进 ocaml.org 有关学术和工业应用板块的内容。

• Feedback / Help Wanted: Upcoming OCaml.org Cookbook Feature

• ocaml.org 准备上线一个cookbook页面，放一些如何用OCaml的生态解决常见需求的资源

• State of compaction in OCaml 5?

• OCaml 5.2 的 compact heap 会将未使用的内存返回给操作系统。在 OCaml 5 的 GC 中，小于 128byte 的块用大小隔离池进行管理，比如有一个池，处理大小为 3byte 的分配，另一个池处理大小为 4byte 的分配等等，这样的池在每个Domain里都有。用这个方法分配速度很快，因为不用找合适的内存间隙了，只要找正确的池大小就行。

o-值得被注意的项目

• GitHub - mbarbin/vcs: A versatile OCaml library for Git interaction

• A Versatile OCaml Library for Git Interaction - Seeking Community Feedback

• GitHub - dbcaml/dbcaml: DBCaml is a database library for OCaml

• DBcaml, a new database toolkit built on Riot

• GitHub - c-cube/fuseau: [alpha] lightweight fiber library for OCaml 5

• [ANN] fuseau 0.1

• GitHub - issuu/ocaml-protoc-plugin: ocaml-protoc-plugin

• Taking over maintanence of a stale project

• GitHub - darrenldl/docfd: TUI multiline fuzzy document finder

• [ANN] Docfd: TUI multiline fuzzy document finder 2.2.0