When the compiler (back end) detects unreachable code, it will generate C4702, a level 4 warning.

当编译器(后端)侦测到有不可能执行到的程序码时，它会产生属于层级4警告的C4702。

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Sometimes the code is very obviously unreachable (uncalled private methods, unread local variables, and so forth).

有时候，这些代码是明显不可达的(未调用的私有方法以及未读入的本地变量，等等)。

youdao

Sometimes the code is very obviously unreachable (uncalled private methods, unread local variables, and so forth).

有时候，这些代码是明显不可达的(未调用的私有方法以及未读入的本地变量，等等)。

youdao