Associated Type 関連型

Previews プレビュー

The type to preview. プレビューすることになる型。

Required. 必須。

Declaration 宣言 

associatedtype Previews : View

Discussion 議論

When you create a preview, Swift infers this type from your implementation of the required previews property.

See Also 参照

Creating a Preview

static var previews: Self.Previews
A collection of views to preview.

Required. 必須。