Casted enum value

[conradfr]

Is it the intended behavior that if validate with

  defparams :get do
    optional :foo, :enum, values: ["bar", "goal"]
  end

I get back the enum value casted to an atom?

{:ok, %{foo: :bar}}

I was surprised and see no mention of it in the docs.

[brianberlin]

The conversion to atoms is done by Goal as a convenience feature because ecto requires them.

iex(2)> Ecto.Enum.init(values: ["active", "inactive"])
** (ArgumentError) Ecto.Enum types must have a values option specified as a list of atoms or a
keyword list with a mapping from atoms to either integer or string values.

For example:

    field :my_field, Ecto.Enum, values: [:foo, :bar]

or

    field :my_field, Ecto.Enum, values: [foo: 1, bar: 2, baz: 5]

    (ecto 3.13.3) lib/ecto/enum.ex:91: Ecto.Enum.init/1
    iex:2: (file)

I do think maybe goal should also raise instead when this happens to avoid confusion.