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25747 - IsNegativeNumber #33055

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teamchong opened this issue Apr 27, 2024 · 0 comments
Open

25747 - IsNegativeNumber #33055

teamchong opened this issue Apr 27, 2024 · 0 comments
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@teamchong
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teamchong commented Apr 27, 2024

type IsNegativeNumber<T extends number>
  = [T] extends [ReturnType<<U extends T>() => U extends T ? Exclude<T, U> : U>] ? never
  : number extends T ? never
  : `${T}` extends `-${any}` ? true : false

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@teamchong teamchong added answer Share answers/solutions to a question en in English labels Apr 27, 2024
@github-actions github-actions bot added the 25747 label Apr 27, 2024
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