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我知道那::是范围解析运算符。但是,如果某事只是以范围解析运算符开头,这意味着什么。我知道需要在范围解析运算符(类名或命名空间)之前放置一些东西。如果在作用域解析运算符之前什么都没有怎么办。例如::Method()
::
::Method()
它指的是全局范围。例如:
int count = 0; int main(void) { int count = 0; ::count = 1; // set global count to 1 count = 2; // set local count to 2 return 0; }