Call functions from shell using scripts

Questions & Help Questions
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2

Try outputting the result, otherwise it is just thrown away:

➜  ~ elixir -r ListModule.exs -e "ListModule.sum([])"
➜  ~ elixir -r ListModule.exs -e "IO.inspect(ListModule.sum([]))"
0
➜  ~ elixir -r ListModule.exs -e "IO.inspect(ListModule.sum([1, 2, 3]))"
6