this post was submitted on 28 Jan 2024
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If you are waiting for IO, why would you block your current thread and not let it do something else? Async does not only exist in JS.
I think they’re talking about the async/await syntax that’s common now in high level languages. Like, what’s the difference between that, or using actual threads? The only advantage I see is that it’s significantly easier/faster to use hence why it’s popular with languages like JS.