import { type Extends } from "https://deno.land/x/rimbu@1.2.1/typical/utils.ts";
If A extends B, returns Then (default true) or else Else (default false)
import { type Extends } from "https://deno.land/x/rimbu@1.2.1/typical/utils.ts";
If A extends B, returns Then (default true) or else Else (default false)