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An Elixir driver for RavenDB

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ravix lib rql tokens select.ex
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lib/rql/tokens/select.ex 

defmodule Ravix.RQL.Tokens.Select do

  @moduledoc false

  defstruct [

    :token,

    :fields

  ]



  alias Ravix.RQL.Tokens.Select



  @type field_name :: atom() | String.t()

  @type field_alias :: String.t()

  @type allowed_select_params ::

          list(field_name() | {field_name(), field_alias()})

          | field_name()

          | {field_name(), field_alias()}



  @type t :: %Select{

          token: atom(),

          fields: list(field_name() | {field_name(), field_alias()})

        }



  @spec fields(allowed_select_params()) :: Select.t()

  def fields(fields) when is_list(fields) do

    %Select{

      token: :select,

      fields: fields

    }

  end



  def fields(field) do

    %Select{

      token: :select,

      fields: [field]

    }

  end



  @spec function(Keyword.t()) :: Select.t()

  def function(to) when is_list(to) do

    %Select{

      token: :select_function,

      fields: to

    }

  end

end