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shapex

0.3.0

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Shapex is a library for validating data structures in Elixir.

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shapex lib types nil.ex

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lib/types/nil.ex

defmodule Shapex.Types.Nil do
  @behaviour Shapex.Type

  defstruct []

  @spec validate(%__MODULE__{}, any()) :: :ok | {:error, map()}

  def validate(%__MODULE__{}, nil), do: :ok
  def validate(_, _), do: {:error, %{type: "Value must be nil"}}
end

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