challenge-algorithms-v2.0-s.../node_modules/@jest/expect-utils/README.md

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# `@jest/expect-utils`
This module exports some utils for the `expect` function used in [Jest](https://jestjs.io/).
You probably don't want to use this package directly. E.g. if you're writing [custom matcher](https://jestjs.io/docs/expect#expectextendmatchers), you should use the injected [`this.equals`](https://jestjs.io/docs/expect#thisequalsa-b).