Dialyzer: suppress warning on a specific function

Questions & Help Questions
7

For posterity: you can also disable warnings for functions for third-party deps/modules:

@dialyzer {:nowarn_function, &MyXQL.rollback/2}
# somewhere later...
    {:error, res} =
      MyXQL.transaction(pid, fn conn ->
        MyXQL.query!(conn, statement, params)
        MyXQL.rollback(conn, :rolled_back)
      end)