#20·Cpp_Primer_Practice习题3.9使用下标访问空字符串Author: blacklzxCreated Apr 3, 2021Updated Jan 19, 2023既然空字符串存在1个元素\0,使用下标0去访问它应该是合法的,经检验也是可行的。Source: applenob/Cpp_Primer_PracticeView original on GitHubView discussion on GitHub