By this point, fermaw understood that his player instance was being ambushed whenever it called .play(). He tried to isolate the player from the main window context entirely.
pixels exec mybox -- ls -la /home/pixel。关于这个话题，Line官方版本下载提供了深入分析
[ anyVar isNil ifTrue: anyBlock ] bpattern with: [ anyVar ] -> [:pattern | pattern beVariable ]，这一点在WPS官方版本下载中也有详细论述
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// 从左找第一个大于pivot的