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Make the linked list an iterable

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Aonghus O Nia 2020-03-06 22:30:12 -05:00 committed by GitHub
parent ba2d8dc4a8
commit 218a9c3643
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1 changed files with 17 additions and 0 deletions
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17
src/data-structures/linked-list/LinkedList.js
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@ -235,4 +235,21 @@ export default class LinkedList {
return this;
}
/**
* make the linked list iterable
* @return {iterator}
*/
[Symbol.iterator]() {
let currentNode = this.head;
return {
next: () => {
if (!currentNode) return { done: true };
const { value, next } = currentNode;
currentNode = next;
return { value, done: false };
},
};
}
}