type-challenges/questions/04484-medium-istuple

IsTuple

by jiangshan @jiangshanmeta

Implement a type IsTuple, which takes an input type T and returns whether T is tuple type.

For example:

type case1 = IsTuple<[number]> // true
type case2 = IsTuple<readonly [number]> // true
type case3 = IsTuple<number[]> // false

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