OCaml: Difference between revisions

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== Findlib, ocamlfind ==

OCaml libraries are usually located using [[http://projects.camlcity.org/projects/findlib.html findlib]] and the associated '''ocamlfind''' tool. These tools are found under the '''ocamlPackages.findlib''' attribute and rely on the '''OCAMLPATH''' environment variable.

OCaml libraries are usually located using [http://projects.camlcity.org/projects/findlib.html findlib] and the associated '''ocamlfind''' tool. These tools are found under the '''ocamlPackages.findlib''' attribute and rely on the '''OCAMLPATH''' environment variable.

A hook in the '''findlib''' package will automatically populate this variable with the paths to the other libraries. For instance, when starting a shell with

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== Using Emacs ==

[[https://github.com/ocaml/tuareg Tuareg]] is an Emacs OCaml mode. It can be installed with

[https://github.com/ocaml/tuareg Tuareg] is an Emacs OCaml mode. It can be installed with

<code>nix-env -iA nixpkgs.emacsPackagesNg.tuareg</code>.

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(add-to-list 'package-directory-list "~/.nix-profile/share/emacs/site-lisp/elpa")

There is some more documentation in the [[https://github.com/NixOS/nixpkgs/blob/master/pkgs/top-level/emacs-packages.nix nixpkgs sources]].

There is some more documentation in the [https://github.com/NixOS/nixpkgs/blob/master/pkgs/top-level/emacs-packages.nix nixpkgs sources].

[[https://github.com/ocaml/merlin Merlin]] provides additional functionality to Emacs. It can be installed through <code>nix-env -iA nixpkgs.ocamlPackages.merlin</code>.

[https://github.com/ocaml/merlin Merlin] provides additional functionality to Emacs. It can be installed through <code>nix-env -iA nixpkgs.ocamlPackages.merlin</code>.

Beware that merlin is specific to one particular version of OCaml (it won’t work correctly with a compiler of a different version).

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)

A useful complement to merlin is [[https://www.typerex.org/ocp-indent.html '''ocp-indent''']], a customizable tool to indent OCaml code. It can be installed using <code>nix-env -iA nixpkgs.ocamlPackages.ocpIndent</code>. To enable it in Emacs, don’t forget to add the following line to your '''.emacs''':

A useful complement to merlin is [https://www.typerex.org/ocp-indent.html '''ocp-indent'''], a customizable tool to indent OCaml code. It can be installed using <code>nix-env -iA nixpkgs.ocamlPackages.ocpIndent</code>. To enable it in Emacs, don’t forget to add the following line to your '''.emacs''':

(require 'ocp-indent)

@@ Line 3: / Line 3: @@
 == Findlib, ocamlfind ==
-OCaml libraries are usually located using [[http://projects.camlcity.org/projects/findlib.html findlib]] and the associated '''ocamlfind''' tool. These tools are found under the '''ocamlPackages.findlib''' attribute and rely on the '''OCAMLPATH''' environment variable.
+OCaml libraries are usually located using [http://projects.camlcity.org/projects/findlib.html findlib] and the associated '''ocamlfind''' tool. These tools are found under the '''ocamlPackages.findlib''' attribute and rely on the '''OCAMLPATH''' environment variable.
 A hook in the '''findlib''' package will automatically populate this variable with the paths to the other libraries. For instance, when starting a shell with
@@ Line 13: / Line 13: @@
 == Using Emacs ==
-[[https://github.com/ocaml/tuareg Tuareg]] is an Emacs OCaml mode. It can be installed with
+[https://github.com/ocaml/tuareg Tuareg] is an Emacs OCaml mode. It can be installed with
 <code>nix-env -iA nixpkgs.emacsPackagesNg.tuareg</code>.
@@ Line 20: / Line 20: @@
    (add-to-list 'package-directory-list "~/.nix-profile/share/emacs/site-lisp/elpa")
-There is some more documentation in the [[https://github.com/NixOS/nixpkgs/blob/master/pkgs/top-level/emacs-packages.nix nixpkgs sources]].
+There is some more documentation in the [https://github.com/NixOS/nixpkgs/blob/master/pkgs/top-level/emacs-packages.nix nixpkgs sources].
-[[https://github.com/ocaml/merlin Merlin]] provides additional functionality to Emacs. It can be installed through <code>nix-env -iA nixpkgs.ocamlPackages.merlin</code>.
+[https://github.com/ocaml/merlin Merlin] provides additional functionality to Emacs. It can be installed through <code>nix-env -iA nixpkgs.ocamlPackages.merlin</code>.
 Beware that merlin is specific to one particular version of OCaml (it won’t work correctly with a compiler of a different version).
@@ Line 38: / Line 38: @@
    )
-A useful complement to merlin is [[https://www.typerex.org/ocp-indent.html '''ocp-indent''']], a customizable tool to indent OCaml code. It can be installed using <code>nix-env -iA nixpkgs.ocamlPackages.ocpIndent</code>. To enable it in Emacs, don’t forget to add the following line to your '''.emacs''':
+A useful complement to merlin is [https://www.typerex.org/ocp-indent.html '''ocp-indent'''], a customizable tool to indent OCaml code. It can be installed using <code>nix-env -iA nixpkgs.ocamlPackages.ocpIndent</code>. To enable it in Emacs, don’t forget to add the following line to your '''.emacs''':
    (require 'ocp-indent)