Basic swiftUI editable profile using EditMode environment var

BasicSwiftUIForm.swift

import SwiftUI
import MapKit

struct Profile {
	var firstName: String
	var lastName: String
	var city: String
}

struct BasicEditableProfileView: View {
	@State var profile: Profile
	@State var mode: EditMode = .inactive
	@Namespace private var namespace


	var body: some View {
		NavigationView {
			Group {
				if mode.isEditing {
					editFormView()
				} else {
					formView()
				}
			}
			.navigationTitle("Profile")
			.navigationBarItems(trailing: EditButton())
			.environment(\.editMode, self.$mode)
		}
	}

	fileprivate func formView() -> some View {
		return Form{

			Section(header: Text("My info")) {
				HStack {
					Text("First name:")
					Spacer()
					Text(profile.firstName).foregroundColor(.secondary)
				}


				HStack {
					Text("Last name:")
					Spacer()
					Text(profile.lastName).foregroundColor(.secondary)
				}

				HStack {
					Text("City:")
					Spacer()
					Text(profile.city).foregroundColor(.secondary)
				}
			}

		}
	}

	fileprivate func editFormView() -> some View {
		return Form{
			Section(header: Text("First name")) {
				TextField("first name",text: $profile.firstName)

			}
			Section(header: Text("Last name")) {
				TextField("Last name",text: $profile.lastName)
			}
			Section(header: Text("City")) {
				TextField("City",text: $profile.city)
			}

		}
	}
}

struct SwiftUIBasics_Previews: PreviewProvider {
    static var previews: some View {
		BasicEditableProfileView(profile: Profile(firstName: "Tim", lastName: "Cook", city: "Cupertino"))
    }
}