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address_of不能获取对象的真实地址 #133

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zgjsxx opened this issue May 24, 2023 · 5 comments · May be fixed by #139
Closed

address_of不能获取对象的真实地址 #133

zgjsxx opened this issue May 24, 2023 · 5 comments · May be fixed by #139

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@zgjsxx
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zgjsxx commented May 24, 2023

// 获取对象地址

template <class Tp>
constexpr Tp* address_of(Tp& value) noexcept
{
  return &value;
}

上述代码用于获取对象的真实地址，但是在重载operator&时，上述代码是不work的，下面是我的一个验证：

https://godbolt.org/z/cPd1WMx7h

可能需要使用std::addressof进行修复
@Adeshen
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Adeshen commented May 24, 2023 via email

@Alinshans
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确实是这样，所以标准库是比较复杂的，但我这项目不探究完整的实现，旨在建立一个基本的认识，谢谢你提出的问题

@Adeshen
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Adeshen commented Oct 7, 2023 via email

@zgjsxx
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zgjsxx commented Oct 7, 2023

感谢作者回复

@zgjsxx zgjsxx closed this as completed Oct 7, 2023
@frederick-vs-ja
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这个问题不该关，我要修复。

@frederick-vs-ja frederick-vs-ja mentioned this issue Oct 10, 2023
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Fix address_of for overloaded operator& frederick-vs-ja/MyTinySTL
4 participants
@Alinshans @frederick-vs-ja @zgjsxx @Adeshen