IsNatNum | /typical/strnum.ts | rimbu@1.0.2

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Rimbu is a TypeScript library focused on immutable, performant, and type-safe collections and other tools.

type alias IsNatNum

import { type IsNatNum } from "https://deno.land/x/rimbu@1.0.2/typical/strnum.ts";

Returns true if the given string is a valid natural number, false otherwise.

Examples

Example 1

IsNatNum<5> => true
IsNatNum<0> => true
IsNatNum<-5> => false

N extends string

definition: N extends "0" ? true : IsPosNum<N>