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在util.h的swap_range中, 直接使用(void) ++first2生成的是表达式的值还是实际改变了first2啊，如果不能实际改变first2，那这个swap_range 好像只能用在同类型或隐式转换的情况 #95

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kgp123123 opened this issue Oct 28, 2021 · 0 comments

kgp123123 commented Oct 28, 2021

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kgp123123 changed the title ~~在util.h的swap_range中, 直接使用(void) ++first2生成的是表达式的值还是实际改变了副irst~~ 在util.h的swap_range中, 直接使用(void) ++first2生成的是表达式的值还是实际改变了first2啊，如果不能实际改变first2，那这个swap_range 好像只能用在同类型或隐式转换的情况

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