---
description: ⟩
---

# Sendable

[Swift](..) ⟩ [Concurrency]() ⟩ Sendable (protocol)

{% hint style="success" %}
A <mark style="color:yellow;">thread-safe</mark> [type](../type) whose values <mark style="color:yellow;">can be shared across arbitrary concurrent contexts</mark> without introducing a risk of data races.
{% endhint %}

{% tabs %}
{% tab title="📘 手冊" %}
* [Swift](https://developer.apple.com/documentation/swift) ⟩ [Standard Library](https://developer.apple.com/documentation/swift/swift-standard-library) ⟩ [Concurrency](https://developer.apple.com/documentation/swift/concurrency) ⟩ [Sendable](https://developer.apple.com/documentation/Swift/Sendable)
{% endtab %}

{% tab title="👥 相關" %}
* a [Shape](../../swiftui/shapes/shape) must be <mark style="color:purple;">Sendable</mark>.
{% endtab %}
{% endtabs %}
