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+#+TITLE:  Emacs OCaml Integration
+#+AUTHOR: Howard X. Abrams
+#+DATE:   2022-08-24
+#+FILETAGS: :emacs:
+
+A literate programming file for integrating the [[https://ocaml.org/][OCaml programming language]].
+#+begin_src emacs-lisp :exports none
+  ;;; ha-programming-ocaml --- integrating OCaml -*- lexical-binding: t; -*-
+  ;;
+  ;; © 2022 Howard X. Abrams
+  ;;   Licensed under a Creative Commons Attribution 4.0 International License.
+  ;;   See http://creativecommons.org/licenses/by/4.0/
+  ;;
+  ;; Author: Howard X. Abrams <http://gitlab.com/howardabrams>
+  ;; Maintainer: Howard X. Abrams
+  ;; Created: August 24, 2022
+  ;;
+  ;; While obvious, GNU Emacs does not include this file or project.
+  ;;
+  ;; *NB:* Do not edit this file. Instead, edit the original literate file at:
+  ;;            ~/other/hamacs/ha-programming-ocaml.org
+  ;;       And tangle the file to recreate this one.
+  ;;
+  ;;; Code:
+  #+end_src
+
+* Introduction
+After reading [[    https://batsov.com/articles/2022/08/19/learning-ocaml/][Batsov's OCaml overview essay]], I became intrigued with learning more about it. Like him, I’ll probably start learning OCaml using the following resources:
+  * [[https://ocaml.org/docs/up-and-running][Getting Started]]: At the primary ocaml website.
+  * [[https://dev.realworldocaml.org/][Real World OCaml]]: A free book about OCaml, that's considered one of the best starting points in the community.
+  * [[https://cs3110.github.io/textbook/cover.html][Cornell University's course on OCaml]]: It's taught at the university, but the textbook and the video lectures are freely available online.
+  * [[https://ocamlverse.github.io/][OCamlverse]]: An OCaml community wiki.
+
+As these [[http://dev.realworldocaml.org/install.html][installation instructions state]], the primary binary to install is the /package manager/, like:
+#+begin_src sh
+  brew install opam
+#+end_src
+
+Initialize the opam package database by running:
+#+begin_src sh
+  opam init
+#+end_src
+
+The book suggests installing utop:
+#+begin_src sh
+  opam install core core_bench utop
+#+end_src
+
+The book also mentions that opam comes with a user-setup package to install Emacs configs. You can install it as follows, along with some related packages:
+#+begin_src sh
+  opam install user-setup tuareg ocamlformat merlin
+  opam user-setup install
+#+end_src
+But I won’t be doing that, as I can configure it.
+* Basics
+I kicked off this code by following with [[https://batsov.com/articles/2022/08/23/setting-up-emacs-for-ocaml-development/][these instructions]] from Batsov.
+
+Use the [[https://github.com/ocaml/tuareg][tuareg package]] for OCaml programming:
+#+begin_src emacs-lisp
+  (use-package tuareg
+    :mode (((rx ".ocamlinit" eos) . tuareg-mode)))
+#+end_src
+
+Use [[https://github.com/ocaml/dune/blob/main/editor-integration/emacs/dune.el][dune.el]] to edit Dune project files:
+#+begin_src emacs-lisp
+  (use-package dune)
+#+end_src
+
+[[https://github.com/ocaml/merlin][Merlin]] provides advanced IDE features:
+#+begin_src emacs-lisp
+  (use-package merlin
+    :config
+    (add-hook 'tuareg-mode-hook #'merlin-mode)
+    (add-hook 'merlin-mode-hook #'company-mode)
+    ;; we're using flycheck instead
+    (setq merlin-error-after-save nil))
+
+  (use-package merlin-eldoc
+    :hook ((tuareg-mode) . merlin-eldoc-setup))
+#+end_src
+
+The flycheck package uses Merlin internally:
+#+begin_src emacs-lisp
+  (use-package flycheck-ocaml
+    :config (flycheck-ocaml-setup))
+#+end_src
+
+If I get into [[https://opam.ocaml.org/blog/about-utop/][utop]], I can also setup some integration with it like this:
+#+begin_src emacs-lisp
+  (use-package utop
+    :config
+    (add-hook 'tuareg-mode-hook #'utop-minor-mode))
+#+end_src
+* Technical Artifacts                                :noexport:
+Let's =provide= a name so we can =require= this file:
+#+begin_src emacs-lisp :exports none
+  (provide 'ha-programming-ocaml)
+  ;;; ha-programming-ocaml.el ends here
+  #+end_src
+
+#+DESCRIPTION: integrating OCaml
+#+PROPERTY:    header-args:sh :tangle no
+#+PROPERTY:    header-args:emacs-lisp  :tangle yes
+#+PROPERTY:    header-args    :results none :eval no-export :comments no mkdirp yes
+
+#+OPTIONS:     num:nil toc:nil todo:nil tasks:nil tags:nil date:nil
+#+OPTIONS:     skip:nil author:nil email:nil creator:nil timestamp:nil
+#+INFOJS_OPT:  view:nil toc:nil ltoc:t mouse:underline buttons:0 path:http://orgmode.org/org-info.js