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SURYAKANTSHARMA/localScope.swift

Last active May 3, 2019 17:25
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Avoid Singleton
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localScope.swift
func saveUserBalance(user: User, buyingAmount: Double, defaults: UserDefaults = UserDefaults.standard) {
let remainingBalance = user.balance - buyingAmount
// save user balance for persistance
defaults.set(remainingBalance, forKey: "userBalance")
}
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