@spec new(Luex.vm(), input()) :: Luex.lua_call(t())

Import an elixir / erlang function into the lua vm to be called by lua code.

Example

iex> fun = fn([a], fun_vm) ->
...>    {["hello " <> a], fun_vm}
...> end
iex> vm = Luex.init() |> Luex.Functions.new(fun) |> Luex.set_value(["a", "b"])
iex> %Luex.CallResult{return: result} = Luex.do_inline(vm, """
...>   return a.b("Demo")
...> """)
iex> result
["hello Demo"]