Elixir, Erlang & LFE code all in the same project!
$ git clone https://github.com/wojtekmach/hello_beam
$ cd hello_beam
$ iex -S mix
iex> HelloElixir.hello
"Hello from Elixir!"
iex> :hello_erlang.hello
'Hello from Erlang!"
iex> :hello_lfe.hello
'Hello from LFE!'
iex> Hello.hello
{"Hello from Elixir!", "Hello from Erlang!", "Hello from LFE!"}
$ ./test.sh
MIT