Elixir v1.12.0

Port.info

You're seeing just the function info, go back to Port module for more information.
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info(port)

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Specs

info(port()) :: keyword() | nil

Returns information about the port or nil if the port is closed.

For more information, see :erlang.port_info/1.

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info(port, spec)

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Specs

info(port(), atom()) :: {atom(), term()} | nil

Returns information about the port or nil if the port is closed.

For more information, see :erlang.port_info/2.