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Ocaml for web development
Here is link number 1 - Previous text "Lwt"
I do only very basic web development but have been generally happy with it. One problem I hit was that mssql only works with one of OCaml's async libraries (Async) whereas multipart forms only works with the other, incompatible, async library (Lwt).
From TypeScript to ReScript
12 projects | news.ycombinator.com | 12 Jan 2022
I have to admit I don't know much about ReScript and only have very basic exposure to OCAML, here is how you do await in it:
The `let* in` is a generic syntax for monads, it doesn't need a special one just for promise. This was in fact a debate back when async/await was in consideration for ECMAScript, but special syntax is hip so now we have `async/await` for Promise, `.?` for optionals and `flatMap` for arrays, basically the same thing.
Dream – Tidy Web Framework for OCaml and ReasonML
10 projects | news.ycombinator.com | 9 Apr 2021
Dream doesn't have much of a system call dependency footprint itself. It's basically just a convention for plugging request -> response functions into a web server. Some of its native dependencies will have to be replaced by Node equivalents. Soon after that, it would be portable to Node.
There is already work underway to port Dream to Mirage, to run in unikernels: https://github.com/aantron/dream/pull/22
Lwt, Dream's promise library, is itself getting ported to run on top of libuv: https://github.com/ocsigen/lwt/issues/813
libuv is, of course, the I/O library that powers Node, so it might be practical to run Dream as a native node module very soon after doing this.
(As an aside, I'm supposed to work on that libuv project, but instead I've been working on Dream :P)
Ocaml for web development
We (a small company creating specialized inventory management and e-commerce systems) use Dream for web development. Webmachine and Cohttp for creating RESTful APIs. HTTP-clients with Ocurl and Cohttp. We are very happy with our choice of technologies.
What are some alternatives?
httpaf - A high performance, memory efficient, and scalable web server written in OCaml
dream - Tidy, feature-complete Web framework
async - Jane Street Capital's asynchronous execution library
ocurl - OCaml bindings to libcurl
sihl - A modular functional web framework
rescript-compiler - The compiler for ReScript.
Tomorrowland - Lightweight Promises for Swift & Obj-C
from-typescript-to-rescript - Frontend of https://Inhyped.com written in TypeScript and rewritten in ReScript
Idris2 - A purely functional programming language with first class types