中秋節快樂,剖析STL源碼,明白typename

導語 STL底層源碼有下面幾行,typedef與typename聯用,這幾個看着好複雜,究竟啥意思,我們今天一起來剖析! template<typename _Iterator> struct iterator_traits {  typedef typename _Iterator::iterator_category iterator_category;  typedef typename

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