What are iterators in functional programming?

What are iterators in functional programming?

Iterators are objects that allow you to traverse through a collection, like lists or arrays, without exposing the underlying structure.

Can you give me an example of how to use an iterator?

Sure! In JavaScript, you can use the for...of loop to iterate over an array. For example: for (let item of array) { console.log(item); }.

What are the benefits of using iterators?

Iterators provide a consistent way to access elements, improve code readability, and can work with different data structures seamlessly.

Are there any drawbacks to using iterators?

One drawback is that they can introduce complexity, especially for beginners. Also, they may have performance implications in some cases.