gsdios / SDAutoLayout

One line of code to implement automatic layout. 一行代码搞定自动布局!支持Cell和Tableview高度自适应,Label和ScrollView内容自适应,致力于做最简单易用的AutoLayout库。The most easy way for autoLayout. Based on runtime.
MIT License
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xcode8,swift3.0中,出现如图所示的错误 #146

Open yujianfeikong opened 7 years ago

yujianfeikong commented 7 years ago

xcode8,swift3.0中,出现如图所示的错误

a  加上问号?后,又出现警告。该怎么处理? b

jenhausu commented 7 years ago

前面加個「_ =」就可以了,因為我們並沒有要用到這個 return 的值

_ = startButton.sd_layout().bottomSpaceToView(self.view, 200)?.centerXEqualToView(self.view)