こうなった理解できていない 100 200 500 1250
import Foundation actor BankAccount { var balance = 0 func deposit(_ amount: Int) -> Int { balance += amount Thread.sleep(forTimeInterval: 1.0) return balance } func getInterest(with rate: Double) -> Int { let newBalance = Int(Double(balance) * (1.0 + rate)) let balance = deposit(newBalance) return balance } } func bankAccountMain() { let bankAccount = BankAccount() Task.detached { print(Thread.current) print(await bankAccount.deposit(100)) print(await bankAccount.getInterest(with: 0.5)) } Task { print(Thread.current) print(await bankAccount.deposit(100)) print(await bankAccount.getInterest(with: 0.5)) } }