Agents are the primary actors in an interoperable Solid ecosystem.

The Agent graph in an identity profile document is designed to be publicly accessible

dereference

The Complete SwiftUI Documentation You’ve Been Waiting For

Adding an EnvironmentObject is pretty similar to adding an ObservedObject.

The important thing is that when you start to edit a TextField, onEditingChanged is called with a bool that is set to true. When you press the keyboard’s return key, the onCommit block is called, after which onEditingChanged is called with a bool that is set to false

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If you use these shorthand argument names within your closure expression, you can omit the closure’s argument list from its definition

PATs (protocols with associated types)

Attempting to return different conforming types within the function yields a compiler error:

Because opaque result types enforce a single concrete type is returned, the compiler knows that two calls to the same function must return two values of the same type

What is the difference between @EnvironmentObject and @ObservedObject?

Don’t initialize a state property of a view at the point in the view hierarchy where you instantiate the view, because this can conflict with the storage management that SwiftUI provides

An observable object is a custom object for your data that can be bound to a view from storage in SwiftUI’s environment

An observable object needs to publish any changes to its data,

A preview fails if any subview requires a model object in the environment

Group is a container for grouping view content

a List

view’s body property;

Command-click the text view’s initializer