But handling that stuff is slow. To calculate a string’s width it can’t call len on the string. Instead it has to pass every character through a state machine.
Becky Joyce says demand for their support has risen sharply
，这一点在WPS下载最新地址中也有详细论述
[ anyVar isNil ifTrue: anyBlock ] bpattern with: [ anyVar ] -> [:pattern | pattern beVariable ]，更多细节参见服务器推荐
def close(self) - None: