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Std.Concurrent.joinAll

1 declaration

fn

joinAll: &Array[Std.Concurrent.Task] -> Result[(), Std.Concurrent.ConcurrentError]

This is a callable function.

What it does

Wait for every thread, in the order they were started.

The order is what makes a failure among them predictable: with several

threads failing, the one reported is the one started first rather than

whichever happened to finish first. A caller reading a report should not

have to run the program twice to see the same answer.

Read the signature

  • The text after the name is the type checked by Pudu.
  • Read arrows from left to right: inputs come first, and the final type is returned.
  • & borrows a value for this call instead of moving or copying it.
  • Names inside [ ] are type arguments, such as the item type held by a collection.
  • Result makes success and recoverable failure part of the function's type.

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