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Commit 114748b

trekhleb trekhleb

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Refactor peek function in Stack.

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src/data-structures/stack
- Stack.js

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`‎src/data-structures/stack/Stack.js`

Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -16,7 +16,7 @@ export default class Stack {`
`16`	`16`	`* @return {*}`
`17`	`17`	`*/`
`18`	`18`	`peek() {`
`19`		`- if (!this.linkedList.tail) {`
	`19`	`+ if (this.isEmpty()) {`
`20`	`20`	`return null;`
`21`	`21`	`}`
`22`	`22`

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