Curriculum Concurrency Goroutines exercise 5 · fill-word
Goroutines
The ${word} keyword can also be used with anonymous
functions — the most common pattern when you want to capture
variables from the enclosing scope. Type the keyword.
TypeScript reference
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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.