This makes Theme extensible, like SwiftUI's Environment. It holds an infinite number of values that are located based on a type. Users can create their own ThemeKey-conforming values and extend the Theme, which allows them to customize information in their own custom ContentItems.
This makes
Themeextensible, like SwiftUI's Environment. It holds an infinite number of values that are located based on a type. Users can create their ownThemeKey-conforming values and extend theTheme, which allows them to customize information in their own custom ContentItems.