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In vue-next, I found a new usage of !. symbols. Can anyone explain what this means? enter image description here

Alan Wang
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  • Take a look at https://stackoverflow.com/questions/42273853/in-typescript-what-is-the-exclamation-mark-bang-operator-when-dereferenci – Rob Bailey Dec 22 '20 at 09:48
  • [Please don't post images of code](https://meta.stackoverflow.com/questions/285551/why-not-upload-images-of-code-errors-when-asking-a-question/285557#285557) – VLAZ Dec 22 '20 at 09:56

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