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What does exclamation point operator do when after a ref variable? Never seen this before : r/csharp
![Typescript For Beginners - 10. !, Exclamation Mark, Bang Operator (Non-Null Assignment Operator) - YouTube Typescript For Beginners - 10. !, Exclamation Mark, Bang Operator (Non-Null Assignment Operator) - YouTube](https://i.ytimg.com/vi/o26_Emgzvx8/maxresdefault.jpg)
Typescript For Beginners - 10. !, Exclamation Mark, Bang Operator (Non-Null Assignment Operator) - YouTube
Exclamation mark next to operator does not produce compilation error. · Issue #21991 · microsoft/TypeScript · GitHub
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