Reason: Build Systems Rapidly

• Approachable syntax.
• Powerful, automatic source code formatting.
• Adopt Incrementally with JavaScript/C interop.
• Ahead of time compilation to assembly - without a language level VM.
• Rapidly develop and share projects.

Install Stable

# 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 update
opam switch 4.02.3
eval `opam config env`
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#0.0.6'

Test Installation

Test the installation by compiling the following program:

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

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

./Hello.native

Get Started Now

Checkout the docs which guide you through the basic syntax and toolchain features.

Contribute back to that documentation in the documentation branch.

License

New content is licensed under the MIT license, works that are forked from other projects are under their original licenses. MIT license

Editor plugins (which have also been forked) in the editorSupport/ directory include their own licenses.