# lift

```ts
function lift<TArgs extends unknown[], TReturn>(fn: (…args: TArgs) => TReturn): (…args: TArgs) => Operation<TReturn>
```

Convert a simple function into an [Operation](https://frontside.com/effection/api/v3/Operation.md)

### Examples
#### Example 1
```javascript
let log = lift((message) => console.log(message));

export function* run() {
  yield* log("hello world");
  yield* log("done");
}
```

---
### Type Parameters
TArgs extends unknown&lbrack;&rbrack;


TReturn


### Parameters


**fn**: (...**args**:  TArgs) => TReturn
### Return Type


(...**args**:  TArgs) => [Operation](https://frontside.com/effection/api/v3/Operation.md)&lt;TReturn&gt;


a function returning an operation that invokes `fn` when evaluated

[View code](https://github.com/thefrontside/effection/tree/effection-v3.6.1/lib/lift.ts#L19)