Dialyxir.Warnings.CallbackSpecArgumentTypeMismatch (Dialyxir v1.4.8)

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Spec type of argument does not match the callback's expected type.

Example

defmodule ExampleBehaviour do
  @callback ok(:ok) :: :ok
end

defmodule Example do
  @behaviour ExampleBehaviour

  @spec ok(:error) :: :ok
  def ok(:ok) do
    :ok
  end
end