property_observer.swift
Swift•エキスパート
Explorer
C40
C++40
C#40
Dart40
Go40
Java40
JavaScript40
Kotlin40
Objective-C40
Perl40
PHP40
Python40
R40
Ruby40
Rust40
Shell40
Swift
初級10
中級10
上級10
エキスパート5
async_actor.swift
result_builder.swift
generic_protocol.swift
property_observer.swift
combine_publisher.swift
マスター5
TypeScript40
property_observer.swift
Click to focus
1
2
3
4
5
6
class DataManager {↵
var items: [String] = [] {↵
willSet { print("Will set \(newValue.count) items") }↵
didSet { NotificationCenter.default.post(name: .dataChanged, object: items) }↵
}↵
}
0WPM•0%•0:00•0/202(0%)|Ln 1, Col 1
UTF-8•Swift