No and sort of. While Elixir doesn't currently have types (though I understand that is coming), you can use Dialyzer to type things. It kind of sucks, though, s

No and sort of. While Elixir doesn't currently have types (though I understand that is coming), you can use Dialyzer to type things. It kind of sucks, though, so every project I've worked on except one has eventually turned Dialyzer off. Pattern matching and guard clauses go a long way to ensure your types are correct, so most of the projects I've worked on have relied instead on those.