StrNum.PosNum | /typical/index.ts | rimbu@0.13.1

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

type alias StrNum.PosNum

import { type StrNum } from "https://deno.land/x/rimbu@0.13.1/typical/index.ts";
const { PosNum } = StrNum;

Type that will return the incoming type if the value is a valid positive integer, or never otherwise.

Examples

Example 1

PosNum<'321'> => '321'
PosNum<'0'> => never

N extends string

definition: N extends Str.Append<PosDigit, infer Rest> ? Rest extends Str.TakeWhile<Rest, Digit> ? N : never : never