# assertNonArrowFunction API

Functions from @purista/core

---
Canonical: /handbook/api/functions/_purista_core.assertNonArrowFunction/
Source: core/helper/assertNonArrowFunction.impl.ts
Format: Markdown for agents
---

Package: `@purista/core`

## Signature

```typescript
assertNonArrowFunction(fn: (...args: never[]) => unknown, label: string): void
```