type alias Tuple.Longestimport { type Tuple } from "https://deno.land/x/ts_toolbelt_unofficial@1.1.0/mod.ts"; const { Longest } = Tuple; Get the longest [[List]] of L & L1 (L has priority if both lengths are equal) ExamplesExample 1 Type ParametersL extends ListL1 extends Listdefinition: L extends unknown ? L1 extends unknown ? { 0: L1; 1: L; }[Has<keyof L, keyof L1>] : never : never