[ts-types-lang](../README.md) / [Modules](../modules.md) / [test](../modules/test.md) / ShowAssertionError

# Interface: ShowAssertionError<_L, _R\>

[test](../modules/test.md).ShowAssertionError

Generic interface for declaring effects

**`Example`**

```ts
interface MyEffect extends Effect<string[]> {}
```

## Type parameters

| Name | Type | Description |
| :------ | :------ | :------ |
| `_L` | extends `unknown` | The output generated by the effect (defaults to `unknown`) |
| `_R` | extends `unknown` | - |

## Hierarchy

- [`Effect`](effect.Effect.md)

  ↳ **`ShowAssertionError`**