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nkint/types.ts

Created November 10, 2022 10:39
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Typescript refine string array
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types.ts
// fail silently
type Age = "6" | "12" | "24" | "54" | "72" | "84"
type AgeOld = Extract<Age, "72" | "84" | "62">
// fail kabum
type Age = "6" | "12" | "24" | "54" | "72" | "84"
type ExtractOrFail<T, U extends T> = U
type AgeOld = ExtractOrFail<Age, "72" | "84" | "62">
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