Credo.Execution.get_plugin_param

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get_plugin_param(exec, plugin_mod, param_name)

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Returns the Credo.Plugin module's param value.

Credo.Execution.get_command(exec, CredoDemoPlugin, "foo")
# => nil

Credo.Execution.get_command(exec, CredoDemoPlugin, "foo", 42)
# => 42