OCaml Environment

#use "topfind"

#require "jupyter.notebook"

Jupyter_notebook.display "text/html" "<b>Hello, world!</b>"

#require "jupyter-archimedes"

let vp = A.init ~w:560. ~h:260. ["jupyter"] in

A.Axes.box vp ;

A.set_color vp A.Color.red ;

A.fx vp sin 0.0 10.0 ;

A.close vp

let rec walk acc p i =

  if i = 0 then List.rev acc else begin

    let q = if Random.bool () then succ p else pred p in

    walk (q :: acc) q (pred i)

  end in

let vp = A.init ~w:560. ~h:260. ["jupyter"] in

A.Axes.box vp ;

A.set_color vp A.Color.red ;

A.List.y vp ~style:`Lines (List.map float @@ walk [] 0 1000) ; (* Plot a random walk of 1000 points. *)

A.close vp

cp 
opam-2.0.6-x86_64-linux /usr/local/bin/opam

chmod a+x /usr/local/bin/opam

mkdir -p $OPAMROOT

# environment setup, install default version of the compiler

opam init -c $OCAML_VERSION -ay --disable-sandboxing

opam config env

ln -s /opt/ocaml/$OCAML_VERSION /opt/ocaml/default

which ocaml

ocaml -version

opam install -y \

  'ocamlfind>=1.8.1' 'ocaml-compiler-libs>=0.12.1' \

  'reason>=3.5.2' 'yojson>=1.7.0'

opam info reason

apt-get -qq update

DEBIAN_FRONTEND=noninteractive apt-get install --no-install-recommends \

  libgmp-dev

apt-get clean

rm -r /var/lib/apt/lists/* # Clear package list so it isn't stale

opam install -y jupyter 'jupyter-archimedes>=2.3.2' 'archimedes>=0.4.18'

jupyter kernelspec install \

  --name ocaml-reason "$(opam config var share)/jupyter"

for ver in $OCAML_XV; do

  opam switch create $ver || true

done

opam switch set $OCAML_VERSION

opam switch

jupyter kernelspec list

du -hsx /