madordie

public extension Array {

    /// 通过item删除一个元素  <https://dbgrandi.github.io/removing_items_from_a_swift_array>
    ///
    /// - Parameter equalItem: 遵守 Equatable 协议的item
    /// - Returns: 是否删除
    @discardableResult
    mutating func remove<Element: Equatable>(equalItem: Element) -> Bool {
        var isRemoved = false
        for i in stride(from: self.count-1, through: 0, by: -1) {