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Curriculum Concurrency Goroutines exercise 3 · mcq

Goroutines

A goroutine you launch in main() runs concurrently with main(). What happens to in-flight goroutines when main() returns?

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About this theme

go fn() runs fn concurrently with the caller. That's it. No promises, no async/await, no event loop — the runtime multiplexes goroutines over OS threads. Cheap to start (kilobytes of stack). And the discipline: never start a bare goroutine whose lifetime you can't reason about.