Ecto.Changeset.validate_exclusion

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Link to this function

validate_exclusion(changeset, field, data, opts \\ [])

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Specs

validate_exclusion(t(), atom(), Enum.t(), Keyword.t()) :: t()

Validates a change is not included in the given enumerable.

Options

  • :message - the message on failure, defaults to "is reserved"

Examples

validate_exclusion(changeset, :name, ~w(admin superadmin))