IsPosNum | /typical/strnum.ts | rimbu@0.13.5

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

type alias IsPosNum

import { type IsPosNum } from "https://deno.land/x/rimbu@0.13.5/typical/strnum.ts";

Returns true if the given string is a valid positive integer, false otherwise.

Examples

Example 1

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

N extends string

definition: N extends Str.Append<PosDigit, infer Rest> ? Str.DropWhile<Rest, Digit> extends "" ? true : false : false