wiki/content/20201126100942-anonymous.md

---
date: 20201126
id: a4ca4dd0-98ec-41a9-9220-815639dc5fe1
title: anonymous
---

# Definition

Nameless functions

# Examples

``` javascript
const nums = [1, 2, 3]

nums.map(x => x * 2)
```

``` python
nums = [1, 2, 3]

map(lambda x: x * 2, nums)
```