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我正在尝试为分配实现显式转换构造函数,但我很困惑我需要做什么。我有一个包含单个元素的 WordList,并且要使这个构造函数显式,所以我不能这样做:
WordList myList; list = 'i'; // error
您需要使用explicit关键字的所有内容:
explicit
class WordList { explicit WordList(char c) {} }; WordList w = 'i'; //error WordList v ('i') ; //ok