# assertTypeSymbol Source: https://smartassertions.dev/assertions/assertTypeSymbol/ Index of every page: https://smartassertions.dev/llms.txt Assert that a value is of type symbol, with type-narrowing. ## Usage ```ts import { assertTypeSymbol } from "@kensio/smartass"; const value: unknown = Symbol("id"); assertTypeSymbol(value); // value is now narrowed to symbol ``` ## Source Source file: [`src/assert/type-symbol/type-symbol.assert.ts`](https://github.com/KensioSoftware/smartass/blob/main/src/assert/type-symbol/type-symbol.assert.ts)