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grizzly
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Elixir Z-Wave library
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lib/grizzly/command_class.ex
defmodule Grizzly.CommandClass do
@moduledoc """
A Z-Wave Command Class
"""
@type version :: non_neg_integer | :no_version_number
@type name :: atom | nil
@opaque t :: %__MODULE__{name: name, version: version}
defstruct name: nil, version: :no_version_number
@doc """
Make a new command class
"""
@spec new(opts :: keyword) :: t
def new(opts \\ []) do
struct(__MODULE__, opts)
end
@doc """
Get the name of a command class
"""
@spec name(t()) :: name()
def name(%__MODULE__{name: name}), do: name
@doc """
Get the version of the command class
"""
@spec version(t()) :: version()
def version(%__MODULE__{version: version}), do: version
@doc """
Check if the command class has a version
"""
@spec versioned?(t) :: boolean
def versioned?(%__MODULE__{version: version}) do
version != :no_version_number
end
@doc """
Set the version of the command
"""
@spec set_version(t, non_neg_integer | :no_version_number) :: t
def set_version(%__MODULE__{version: version} = command_class, version), do: command_class
def set_version(%__MODULE__{} = command_class, version) when is_integer(version) do
%__MODULE__{command_class | version: version}
end
end