port

Types

Port

Ports are how code running on the Erlang virtual machine interacts with the outside world. Bytes of data can be sent to and read from ports, providing a form of message passing to an external program or resource.

For more information on ports see the Erlang ports documentation.

pub type Port

Functions

port_from_dynamic

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pub fn port_from_dynamic(
  from from: Dynamic,
) -> Result(Port, List(DecodeError))

Checks to see whether a Dynamic value is a port, and return the port if it is.

Examples

import gleam/dynamic from_dynamic(dynamic.from(process.self())) Ok(process.self())

from_dynamic(dynamic.from(123)) Error([DecodeError(expected: “Port”, found: “Int”, path: [])])