# On OSX, install opam via Homebrew:
brew update
brew install opam
# On Linux, see here (you will need opam >= 1.2.2): http://opam.ocaml.org/doc/Install.html

opam init
# Add this to your ~/.bashrc (or ~/.zshrc):
#   eval `opam config env`

opam switch 4.02.3
opam pin add -y merlin https://github.com/the-lambda-church/merlin.git#reason-0.0.1
opam pin add -y merlin_extend https://github.com/let-def/merlin-extend.git#reason-0.0.1
opam pin add -y reason https://github.com/facebook/reason.git#0.0.5

echo print_string \"Hello world\" > Hello.re

rebuild Hello.native # Automatically generates Hello.native from Hello.re

./Hello.native