import { type Decr } from "https://deno.land/x/rimbu@1.2.1/typical/num.ts";
Decreases a positive number by 1, or if the number is not positive, returns never.
import { type Decr } from "https://deno.land/x/rimbu@1.2.1/typical/num.ts";
Decreases a positive number by 1, or if the number is not positive, returns never.