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13580 - Replace Union #21212

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EGyoung opened this issue Dec 29, 2022 · 0 comments

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13580 answer en

EGyoung commented Dec 29, 2022

type UnionReplace<T, U extends [any, any][]> = 
 U extends [infer Start,...infer Other] ?
  Other extends any[]
  ? UnionReplace< ReplaceOne<T,Start> , Other> 
  : never 
   : T

type ReplaceOne<T, U > = U extends [infer Start,infer End] ? T extends Start ? Exclude<T, Start> | End: T: never

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