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Tail

Extracts the tail of a tuple. If you declare Tail<[A, B, C]> you will get back [B, C].

type Tail<X extends readonly any[]> = ((...args: X) => any) extends (arg: any, ...rest: infer U) => any ? U : never;

§Type Parameters

X extends readonly any[]

((...args: X) => any) extends (arg: any, ...rest: infer U) => any ? U : never