swift中的闭包是值类型还是引用类型?为什么?
let closure1 = { () -> Void in print("Closure 1") } let closure2 = closure1 closure1() // 输出 "Closure 1" closure2() // 输出 "Closure 1"
var count = 0 let incrementClosure = { count += 1 print(count) } incrementClosure() incrementClosure()
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