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00010-medium-tuple-to-union
Medium
infer
tuple
union

挑战来源: type-challenges/00010-medium-tuple-to-union

实现泛型TupleToUnion<T>，它返回元组所有值的合集。

例如

type Arr = ['1', '2', '3']

type Test = TupleToUnion<Arr> // expected to be '1' | '2' | '3'

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测试用例来源: type-challenges/00010-medium-tuple-to-union/test-cases.ts
import type { Equal, Expect } from '@type-challenges/utils'

type cases = [
  Expect<Equal<TupleToUnion<[123, '456', true]>, 123 | '456' | true>>,
  Expect<Equal<TupleToUnion<[123]>, 123>>,
]