jonkykong
27 lines
522 B
Swift
27 lines
522 B
Swift
//
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// Protected.swift
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// SideMenu
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//
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// Created by Jon Kent on 2/9/19.
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//
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import Foundation
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internal final class Protected<T: Equatable> {
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typealias ConditionBlock = (_ oldValue: T, T) -> T
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private var _value: T
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private var condition: ConditionBlock
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public var value: T {
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get { return _value }
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set { _value = condition(_value, newValue) }
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}
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init(_ value: T, when condition: @escaping ConditionBlock) {
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self._value = value
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self.condition = condition
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}
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}
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