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“……” 这种 C++ 语法已被标准弃用

去年,我在“What does the …… mean in C++?”一文中专门介绍过 …… 这种极其罕见的 C++ 语法,它其实是 …, … 的省略语法。以下这三种写法完全等价: … Continue Reading “……” 这种 C++ 语法已被标准弃用

  • Posted on: May 5, 2025 May 5, 2025
  • Author: Li Miu
  • Categories: C++26
  • 2
  • Views 94

C++26 Finally Makes std::projected ADL-Proof

std::projected 是 C++20 引入的一个模板工具,用于获取应用投影函数后迭代器所指向的值类型。例如: struct Person { std::string name; int age… Continue Reading C++26 Finally Makes std::projected ADL-Proof

  • Posted on: April 29, 2025 April 29, 2025
  • Author: Li Miu
  • Categories: C++26
  • Tags: C++26
  • 2
  • Views 64

C++26 function_ref and nontype_t

Motivation of std::function_ref std::function_ref 是轻量级的 std::function,能够引用任意形式的可调用对象。在此之前,C++ 便已存在许多… Continue Reading C++26 function_ref and nontype_t

  • Posted on: April 21, 2025 April 21, 2025
  • Author: Li Miu
  • Categories: C++26
  • 3
  • Views 149

C++26’s Placeholder variables with no name

元宵三五,夜雪初霁,蕙风透寒。 乘暇再更一个 C++26 的小特性,动机简单,看一下小例子: using Point3D = std::tuple<float, float, float>… Continue Reading C++26’s Placeholder variables with no name

  • Posted on: February 24, 2024 February 24, 2024
  • Author: Li Miu
  • Categories: C++26
  • Tags: C++26
  • 1
  • Views 502

C++26 Pack Indexing

目前进入 C++26 的特性当中,Pack Indexing 是较为有用的一个,值得谈谈。 发展背景 早期,C++ 元编程是摸着石头过河,许多特性只是当时情况下的权宜之计,并非最理想的解决方式。纵然非… Continue Reading C++26 Pack Indexing

  • Posted on: February 17, 2024 February 24, 2024
  • Author: Li Miu
  • Categories: C++26
  • Tags: C++26
  • 2
  • Views 1169

Reflection for C++26

岁月如驰,距前篇反射文章,已近两载。 C++23 工作殆尽,C++26 紧随其后,Relection 也有了一些新进展,本篇来看这些更新的些许内容。 相关作者 知识似树,发枝散叶,往往只需两三人而已。… Continue Reading Reflection for C++26

  • Posted on: February 8, 2024 April 28, 2024
  • Author: Li Miu
  • Categories: C++26
  • Tags: C++26, Expansion statements
  • 4
  • Views 2917

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