# assertNumberBetween Source: https://smartassertions.dev/assertions/assertNumberBetween/ Index of every page: https://smartassertions.dev/llms.txt Assert that a numeric value is between min and max inclusive, with type-narrowing. ## Usage ```ts import { assertNumberBetween } from "@kensio/smartass"; const score: unknown = 87; assertNumberBetween(score, 0, 100); // score is now narrowed to number | bigint ``` ## Source Source file: [`src/assert/number-between/number-between.assert.ts`](https://github.com/KensioSoftware/smartass/blob/main/src/assert/number-between/number-between.assert.ts)