或者，如果愿意，可以使用单个current_section变量来确定位置。
Or, if you wished, you could use a single current_section variable to keep place.
这会定位到成员调用的原始定义或变量定义。
This navigates to the original definition for a member call or variable definition.
这会定位到成员调用的原始定义或变量定义。
This navigates to the original definition for a member call or variable definition.
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