invalid use of incomplete type 报
2013-08-19 13:53
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gcc中,在引用某个已经实现的类时:如果只是定义某个类的指针,可以使用class关键字先进行声明,而不需包含头文件;但如果涉及到定义某个类的对象或是引用类的某个具体成员时,则必须包含该类的头文件,并且不要加class关键字进行声明。否则,将会出现标题所示编译错误!
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