Module futures_channel::oneshot

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A channel for sending a single message between asynchronous tasks.

This is a single-producer, single-consumer channel.


  • Error returned from a Receiver when the corresponding Sender is dropped.
  • A future that resolves when the receiving end of a channel has hung up.
  • A future for a value that will be provided by another asynchronous task.
  • A means of transmitting a single value to another task.


  • Creates a new one-shot channel for sending a single value across asynchronous tasks.