6.8 switch语句
一个switch语句应该具有如下格式:switch (condition) { case abc: /* falls through */ statements; case def: statements; break;
case xyz: statements; break;
default: statements; break;}每当一个case顺着往下执行时(因为没有break语句),通常应在break语句的位置添加注释。上面的示例代码中就包含注释/* falls through */。
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