What are the differences between async and sync iterators in TypeScript?
An example of an AI chatbot conversation about TypeScript async vs sync iterators.
What are the differences between async and sync iterators in TypeScript?
In TypeScript, sync iterators return values immediately, while async iterators return promises, allowing for asynchronous operations.
Can you give me an example of each?
Sure! A sync iterator might look like this: function* syncIterator() { yield 1; yield 2; }. An async iterator would be: async function* asyncIterator() { yield await fetchData(); }.
When should I use async iterators?
Use async iterators when dealing with data that requires asynchronous fetching, like API calls or reading files.
Are there any performance differences between the two?
Yes, async iterators can introduce overhead due to promise handling, but they are essential for non-blocking operations.
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