mathonsunday · November 9, 2018 15:52
diff --git a/Using defer in Swift to alter the flow instead of just cleaning up allocated resources b/Using defer in Swift to alter the flow instead of just cleaning up allocated resources
    @discardableResult
    public mutating func pop() -> Value? {
        defer    {
            head = head?.next
            if isEmpty {
                tail = nil
            }
        }
        return head?.value
    }
	@discardableResult
	public mutating func pop() -> Value? {
	defer {
	head = head?.next
	if isEmpty {
	tail = nil
	}
	}
	return head?.value
	}