Course of Raku / Functional, concurrent, reactive, and web programming / Reactive programming / await / Exercises

Await a failure

Problem

When a promise’s block throws, await rethrows that exception at the point of the await. Start a promise whose block does die 'boom'. Await it inside a try block with a CATCH phaser that prints caught: <message>.

Example

The program prints:

caught: boom

Solution

✅ See the solution

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