Type alias Append<Arr, Item>

Append<Arr, Item>: [...Arr, Item]

add an item to the end of a tuple.

Type Parameters

  • Arr extends unknown[]
  • Item

Example

type Result1 = Append<[1, 2], 3>; // [1, 2, 3]
type Result2 = Append<[], 1>; // [1]