Two-guard d 得分后卫
The Coast Guard had given up all hope of finding the two divers alive.
海岸警卫队已放弃了两名潜水员生还的全部希望。
Two guard towers stand in this area.
有两个守卫塔在这一区域里。
In this example, the only difference between the two patterns is the guard expression, but that's enough for the compiler to differentiate them.
在这个例子里,两个模式的唯一区别就是这个守卫表达式,但是这样足够编译器来区分它们了。
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