Rust's `-> !` equivalent in TS
I tried
https://www.typescriptlang.org/play/?#code/MYewdgzgLgBADgQzAS2DAvDAFAWwKYQQIDmeAXDNAE7JjECUFYeAbnlRgHwwDeAUDEEwoACyogA7jGZSAolXFVcBIqXp8Avnz6hIsCCHwBZBHAzS8Uk3AA81WsQA0lKDTqcs6neGiVDeUQdzA2NTADpSKCwAIhEQUmivZAAzbABCEICRB3peASFEFGAYgAUkVDTEzW1MwLo+AHoGmAA9AH4gA
(): never, but it did not work.https://www.typescriptlang.org/play/?#code/MYewdgzgLgBADgQzAS2DAvDAFAWwKYQQIDmeAXDNAE7JjECUFYeAbnlRgHwwDeAUDEEwoACyogA7jGZSAolXFVcBIqXp8Avnz6hIsCCHwBZBHAzS8Uk3AA81WsQA0lKDTqcs6neGiVDeUQdzA2NTADpSKCwAIhEQUmivZAAzbABCEICRB3peASFEFGAYgAUkVDTEzW1MwLo+AHoGmAA9AH4gA
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